The Industry's Leading Arena for Laser Processing Needs Pg.6

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LIA TODAY THE OFFICIAL NEWSLETTER OF THE LASER INSTITUTE OF AMERICA The international society dedicated to fostering lasers, laser applications and laser safety worldwide. FOCUS: INDUSTRIAL LASERS VOLUME 20 NO. 5 SEPTEMBER / OCTOBER 2012

The Industry’s Leading Arena for Laser Processing Needs pg.6

Laser Beam Welding Photo Courtesy of Cincinnati Incorporated - CL-850 5000 Watt CO2 Laser Cutting System - CL-850 5000 Watt Photo Courtesy of Cincinnati Incorporated with High Frequency - pg. 10

Wavelength Dependency in High Power Laser Cutting - pg. 12

ICALEO 2012 Presents the Latest in Laser Materials Processing Research - pg. 16

13501 Ingenuity Drive, Suite 128 Orlando, FL 32826 Phone: +1.407.380.1553 Fax: +1.407.380.5588 www.lia.org

LIA TODAY CVR SeptOct-12.indd 1 10/2/12 10:07:53 PM in this issue LIAThe Official Newsletter TODAY of the Laser Institute of America LIA TODAY is published bimonthly to educate and inform laser professionals in laser safety and new trends related to laser technology. LIA members receive a free features ® subscription to LIA TODAY and the Journal of Laser Applications in addition to LME 2012 6 discounts on all LIA products and services. Laser Beam Welding 10 The editors of LIA TODAY welcome input from readers. Please submit news-related High Power Laser Cutting 12 releases, articles of general interest and letters to the editor. Mail us at LIA TODAY, 13501 Ingenuity Drive, Suite 128, Orlando, FL 32826, fax +1.407.380.5588, or send ICALEO 2012 16 material by email to [email protected]. LASER CHINA 2013 20 calendar of events departments 2012 LIA Officers Laser Safety Officer Training President – Reinhart Poprawe Dec. 4-6, 2012 | Orlando, FL Calendar of Events 2 Feb. 26-28, 2013 | San Diego, CA Fraunhofer Institute for Laser Executive Director’s Message 5 June 25-27, 2013 | Indianapolis, IN Technology President’s Message 5 Laser Safety Officer with Hazard Analysis* Corporate Member Profile 24 President-Elect – Klaus Löffler Nov. 5-9, 2012 | San Antonio, TX ASC Z136 Update 26 TRUMPF Laser & Systems GmbH Jan. 28-Feb. 1, 2013 | Orlando, FL BLS Update 27 Mar. 11-15, 2013 | Phoenix, AZ Past President – Stephen Capp June 10-14, 2013 | Niagara Falls, NY Laser Insights 28 Laserage Technology Corporation *Certified Laser Safety Officer exam offered JLA Update 29 after the course. Secretary – Robert Thomas Members in Motion 30 USAF Research Laboratory Medical Laser Safety Officer Training* Member Innovations 30 Oct. 20-21, 2012 | Chicago, IL Welcome Corporate Members 31 Treasurer – Yongfeng Lu Feb. 9-10, 2013 | San Antonio, TX University of Nebraska, Lincoln Mar. 2-3, 2013 | San Diego, CA LIA Announces 31 Mar. 16-17, 2013 | Orlando, FL editorial staff *Certified Medical Laser Safety Officer exam offered after the course. Editor-in-Chief – Peter Baker Laser Welding & Joining Workshop advertisers Managing Editor – Kris Stell Oct. 23-24, 2012 | Schaumburg, IL Aerotech, Inc 17 Copy Editor – Barbara Sams ® AdlOptica GmbH 14 Lasers for Manufacturing Event (LME ) Oct. 23-24, 2012 | Schaumburg, IL ANSI Z136.8 26 business staff Laser Additive Manufacturing Workshop Board of Laser Safety 27 Publisher – Jim Naugle (LAM) Fraunhofer USA, CCLA 7 Advertising Sales – Jim Naugle Feb. 12-13, 2013 | Houston, TX ILSC 2013 29 ® IPG Photonics 32 If you are interested in advertising International Laser Safety Conference (ILSC ) Mar. 18-21, 2013 | Orlando, FL Kentek Corporation 3 space in this newsletter or a subscription, contact Kathy He at Koolant Koolers, Inc. 21 International Congress on Applications of +1.407.380.1553/1.800.34.LASER ® LAM 2013 4 or [email protected]. Lasers & Electro-Optics (ICALEO ) Oct. 6-10, 2013 | Miami, FL LASER CHINA 22 Visit www.lia.org for all course and event listings. LASER MUNICH 14 Laserline Inc. 13 LaserStar Technologies 15 about lia LASERVISION USA 25 Laser Institute of America (LIA) is the professional society for laser applications and safety. Our Liburdi Automation, Inc. 14 mission is to foster lasers, laser applications and laser safety worldwide. Mecco Marking & Traceability 21 We believe in the importance of sharing new ideas about lasers. In fact, laser pioneers such as Newport Corporation 21 Dr. Arthur Schawlow and Dr. Theodore H. Maiman were among LIA’s original founders who set the stage for our enduring mission to promote laser applications and their safe use through PennWell (ILS/LFW) 28 education, training and symposia. LIA was formed in 1968 by people who represented the heart Photomachining, Inc. 22 of the profession—a group of academic scientists, developers and engineers who were truly Photonics Media 25 passionate about taking an emerging new laser technology and turning it into a viable industry. Precitec, Inc. 23 Whether you are new to the world of lasers or an experienced laser professional, LIA is for you. Rockwell Laser Industries 11 We offer a wide array of products, services, education and events to enhance your laser knowledge 2 SCANLAB America, Inc. 22 and expertise. As an individual or corporate member, you will qualify for significant discounts on LIA materials, training courses and the industry’s most popular LIA conferences and workshops. TRUMPF, Inc. 9 We invite you to become part of the LIA experience – cultivating innovation, ingenuity and inspiration. F O CUS : INDUSTRIAL LASERS LIA T O DA Y SEPTEMBER / O CT BER 2012

3 Photo courtesy of Fraunhofer ILT, Aachen, Germany / Volker Lannert 4 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 • • • • • • •

Surface Tailoring InternationalMarkets

- Laser Additive Manufacturing(LAM) Cladding, Economics and more…) Repair, Overhaul, UnderWater SuccessStories (Maintenance, Powders for MedicalandDentistry DigitalManufacturing & CAXFramework Process andSupplyChains manufacturing? A paradigmchangeinfuture

A A

N N

II th V th

R S A R Y

A E SAV Hilton HoustonNorth• Presented by: February 12–13,2013 The NextEra ofU.S. Manufacturing Is Manufacturing Is

www.lia.org/lam

E h T Here! Houston, TX USA DATE The Next Era of U.S. Manufacturing Is president’s message executive director’s message Here! Dear LIA members, friends, LIA’s Application Strategy colleagues and readers, Bears Fruit

This issue of LIA TODAY is LIA’s third strategic guidestar is dedicated to the industrial side “LIA will adapt and package its laser of the organization. One of the application and safety knowledge motivations for an increase of and become a preferred source for activity in this domain is the well- the global laser community.” known decline of manufacturing

in the U.S. Currently, only The first manifestation of this was F O CUS : INDUSTRIAL LASERS 13 percent of the US-GDP is five years ago when we launched covered by manufacturing; the our successful workshop on Laser corresponding number in China Additive Manufacturing (LAM), is – depending on the year – which is now being touted as the around 35-40 percent! Consequently, the long standing U.S. future of manufacturing. It has recently attracted U.S. government trade deficit presently cruises at a level of approximately $550 support, so grant money is forthcoming and consortia are springing bn. per year, and, even more alarming, the trade balance for up. high tech products, which has been positive until 2001, has now fallen into the red at a level of $100 bn. annually. This year will see our second Lasers for Manufacturing Event (LME®), which helps traditional manufacturing people understand In this issue, besides very interesting application information the value of lasers, learn which application areas are viable and on joining and the wavelength influence on laser cutting, a connects them with the laser and system manufacturers who can LIA T O DA Y

preview on the LIA’s Lasers for Manufacturing Event (LME®) help them introduce laser technology into their own manufacturing

Y Y in Chicago is given. The event focuses on the industrial operation. world of suppliers and users of laser technology, and thus is

Photo courtesy of Fraunhofer ILT, Aachen, Germany / Volker Lannert Aachen, Germany / Volker Photo courtesy of Fraunhofer ILT,

Photo courtesy of Fraunhofer ILT, Aachen, Germany / Volker Lannert Aachen, Germany / Volker Photo courtesy of Fraunhofer ILT, R R a very efficient and hopefully effective format. It is designed This year we have significantly increased the education component thth for visitors, who do not really care about the details of of LME by increasing the 101 courses, adding some 102 courses, A A SEPTEMBER / O CT BER 2012 how the things work, but take the challenge of establishing adding tutorials on laser welding and joining and ultrafast SS and innovating U.S. manufacturing for the benefit of their manufacturing, as well as presenting our first Laser Welding & R enterprises as well as for the country – a true challenge. LIA Joining Workshop. A E wants to do its best to support these activities and the LIA N N I V President will support it by being there and giving tutorials Of course, the thousand or so attendees at LME represent a 5N and training personally. small fraction of the people who should benefit from the LME educational program, so we are planning to capture this vital • Laser Additive Manufacturing (LAM) February 12–13, 2013 I wish you good health, success and today especially, good content and package it as a series of online courses to benefit a - A paradigm change in future business! wider audience. Hilton Houston North • Houston, TX USA manufacturing? Sincerely Yours, As you can see, we are working diligently to carry out our mission to “foster lasers, laser applications and laser safety, worldwide.” • Process and Supply Chains Attend LME and see for yourself! & CAX Framework T h

• Digital Manufacturing E for Medical and Dentistry SAV E DATE Reinhart Poprawe, President Peter Baker, Executive Director Laser Institute of America Laser Institute of America • International Markets [email protected]

Sources: • Powders Census Bureau Presented by: Frankfurter Allgemeine Zeitung: Niebel 14.8.2012 • Surface Tailoring National Network for Manufacturing Innovation NNMI

• Success Stories (Maintenance, 5 Repair, Overhaul, Under Water Cladding, Economics and more…) www.lia.org/lam 6 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 applications andseewhattheequipmentlookslike.” only whatyouneed,butgetanopportunity to talk to people about can go through,andin a very short period of time, understand not industrial market sales at IPG PhotonicsinOxford,MA.“You the coordinate machines,” explains BillShiner, vicepresidentof a laserintomanufacturing, including the robots, thechillersand Fraunhofer andEWI— thenseeeveryingredient you needtoput doing advanced research and development — companies like “where you canwalkthroughandgoright from the people profit. production systems,operatingthemsafely—andrealizing a solid conceivable aspect ofchoosinglasersformanufacturing, creating in that it focuses exclusively on providing an overview of every in Schaumburg, IL,Oct.23-24,isuniquetothelaserindustry another information-packedsession. into theirapproacheswithlasertechnology, andthestageissetfor Laser Technology Showcase,whereexhibitors can shareinsights systems can achieve. Add tothat the return of the highly popular laser-based manufacturing, they can witness first-hand what these with a show floor full of experts knowledgeable in every aspect of working laser systems. Now, not only can attendees talk directly companion two-dayLaser Welding &Joining Workshop. the basicsofweldingandjoiningultrafastmachining,a new fundamentals courses, a pair of two-hour tutorials detailing in a big way— with an expanded educational program including LME of two round up fired has 1968, since research and safety processes. their to systems laser of cost-effectiveness and efficiency power, aerospace specialists — anyone keen on adding the production vital one-stop resourceforengineers, job shops,automotive and two-day gathering in the cradle ofU.S.manufacturing proved a Event (LME of America unveileditsone-of-a-kindLasersfor Manufacturing By Geoffiordano including tutorials. LME 2012 will feature an expandededucational program Not onlydoesLMEdrawatechnical audience, but italso Unlike othershows,LMEoffers aconcentrated experience LME, returning to the Renaissance Another first on the show floor this year will be the presence of Now LIA,therecognized authority inlaserapplications, What adifference a yearmakes.In2011, theLaserInstitute ® ) toanenormouslyenthusiastic response. The ARENA FORLASERPRCESSINGNEEDS LME 2012–THEINDUSTRY’SLEADING ® Convention Center Hotel industry experts. booth Laser Expert” a “Ask manned by RobMueller of NuTech the Engineering and a team of at floor exhibition the on up the aerospaceandplasticsindustries. automotive industry, andtheimpactoflasersinmanufacturing for insights intomajorapplications and markets,requirements for the manufacturing. address thefundamentals of lasercutting, robotics andadditive “101-level” courses, LIA hasaddedthree “102-level” courses to options, returnoninvestmentandlasersafety. Besidesthese of lasers used in manufacturing, laser system components and key areas in the “101-level” basic courses covering the types on laserfundamentals. minds in the laser industry provide highly focused presentations GET UPTOSPEED and time. leaps laserscanmakeintermsofcuttingmaterial usage, costs decisions —industryplayersreadytotakeadvantage of thebold make buying attracts smallcompanypresidents,engineerswho devices, the ability oflasers tojoinplastics is acontinuing boom. they’re looking atthesenewlasers.” And formakersofmedical probably foradecade, in drilling andcutting machines. Butnow Shiner continues.“Aerospace hasn’t made a major investment, extremely interested in newerlasersastheyexpandproduction,” there’s aworldshortage inhole-drilling capability, andthey’re robotics.” who makebeam-delivery equipment, motion equipment and making them make new capital investments. That benefits people lasers to increase production,” Shiner says. “Newmaterial is car batteries and other components.“Peoplearen’t justreplacing who areemploying lasers inthemanufacture of seats,electric hence final products — machines inspeedandquality.” to useeitherplasmaorlaser. And lasersgreatlyoutshineplasma converting to high-strength steel. You can’t stamp it; you’ve got huge market developing that never existed. Worldwide, people are as well as the tier 1 and tier 2 companies,” notes Shiner. “There’s a presenting themselvesinanumberofindustries. PROFIT WITHPHTNICS And afterarecompleted, thosesessionsattendeescanfollow In addition, four other experts will share up-to-the-minute Once again, LIA has slated recognized speakers to address top the of some hear to ability the is benefits LME’s Among In the meantime, aerospace “is in a buying mode because Add tothatthefactweightreductionofcomponents— and “The automotive industryisvery, veryhot—directautomotive The momentum behind this lineup is the wealth of opportunities is a significant goal of today’s carmakers, LME con’t onpage 8

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Fraunhofer USA, Center for Coatings and Laser Applications • 46025 Port Street • Plymouth, Michigan 48170 7 email: [email protected] phone: 734.738.0550 www.ccl.fraunhofer.org 8 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 LME con’t from page6 low-cost production,”Göbelnotes. essentially low-tech, high-craftoperationstomorehigh-tech, lasers inheavy industry andhowit is changing this industry from Fraunhofer IWS. to Dr. GuntherGöbel,aspecial joining technologies expert with like GE, aswell as integrators and research experts, according way notpossiblebefore.” that machine integrationismuchsimplerandcanbedoneina reduction is akeydevelopment: Manylasers are now sosmall brightness lasers just a few yearsago. Furthermore, laser size high- expensive to restricted field a was that standard; now are precisely shaped weldpools. Also, remote-beam applications of newmixed-material joints likecopper-aluminum using are expanded in many ways: ultra-low distortions or the realization and energy efficiency,” Beyer claims. “Here the application fields better lasersandsystemsaregreatlyadvancingitspossibilities. the typicalchallengesoflaserapplications.” users withlongstandingexperience will presenttheirsolutionsto overview oflaserbasicsandcurrentdevelopments,” he says.“End presentations by “industrial research experts to give a sound hybrid andremote,aswellmacromicroapplications. and different typesoflaserwelding— conduction, penetration, at current practices and futureapplications for cladding, brazing The extensive agenda willgiveattendees a comprehensive look the aerospace,defense,automotive, energy andmedical industries. Welding & Joining Workshop will appeal to representatives from with LME2012. industries that a separate two-day workshopwill run concurrently and joining.Sovitalisthelattertopictoadiversearrayof ultrafast laser machining and the critical aspects of laser welding added two tutorials tothe LME program to highlight the basics of NEXT-LEVEL INSTRUCTION answered byindustry-leading companies. LME is the place to get new ideas and application questions For example,“ESABwillgiveusinsightsintotheimpact of Attendees will learn from the perspectives of large companies “We stillseeabigimpact of thetremendousriseinbeamquality While laserweldingisrelatively traditional process, newerand Beyer andhisteamhaveassembledascheduleof18 Chaired byProf.EckhardBeyerofFraunhoferIWS,LIA’s Laser Taking thefundamentals track several steps farther, LIA has interaction phenomena, thetutorial will surveyabroad arrayof mm³/s havebeendemonstrated andshallbepresented.” new high-precisionproducts. Ablation rates of the order of10 functionalization or howultrafast laser machining could lead to components byaddingfunctions throughlaser-based surface this newtechnology could improve the performance of existing the rangeof10micronsand belowshouldattendtolearnhow “Users ofprecisionmachining applications with accuracies in to laser parameters and processing parameters,” Poprawe says. learn about therequirements on systemtechnology with respect will learntheadvantagesandpotentialoftechnology. of engineersandscientistsfrommachine suppliers andendusers systems, materials and applicable markets. The target audience the technologyaswellasurveyoffundamentals, the processes, explains. laser processing and powers upto the kilowatt class, has led to a new level of with pulsedurationsof100femtosecondsto10picoseconds characteristics intermsofprecisionimmediatelyareconvincing. now viaspinoffs likeEdgeWave or Amphos. The outstanding kW-class havebeendevelopedandareavailableinthemarket in Aachen areworldrecordsinfs-lasers,industrialsystemsthe achievements inthecontextofultrashortlaserprocessingatILT of exploring the fast-improving technology. Groundbreaking with lasersthantraditionalmilling,heisattheforefront vital multibladecompressorcomponentfarfasterandmorecheaply Aviation Week’s 2012InnovationChallengeawardforproducinga manufacturing. Havingearned the boundariesoflaser is nostrangertopushing president oftheLIA,who Poprawe ofFraunhoferILT, taught byProf.Reinhart of ultrafastlasermachining hour tutorialonthebasics expertise inaspecialtwo- have exclusiveaccessto input, lowdistortion,etc.” heat low efficiency, higher advances: higher productivity, enables it as tool the laserisaveryimportant components. Inthisdomain, includes off-highway drivetrain Göbel explains.“Thisalso is stillthepowertrainindustry,” industry. application in theautomotive brightness lasers— avital mixed materials usinghigh will addresstheweldingof Starting with thephysicalbasicsof ultrashort pulse “Manufacturers of ultrafast lasers andoptical systems will Poprawe’s tutorial at LMEwill feature technical examples of “The development of ultrafast lasers on an industrial scale, Attendees ofLMEwill “A veryprominentexample Göbel and Jens Standfuss — with ultimate processing quality,” Poprawe significant significant processes willbeondisplay New laser systemsand working lasers. during LME,including applications — tool and molding, automotive engine components, lasers in automotive now that they’re starting to look around and LED and OLED light-guiding systems, photovoltaics and go, ‘OK, where else can I do it?’ Management is comfortable to a energy storage, biomedical applications and general surface certain extent with existing applications; now we can look around processing. In addition, various approaches for setting up a bit farther.” ultrashort pulsed lasers will be addressed, as will system One of those auto-industry attendees was Octavio Islas, an requirements for high-speed scanning and modulations systems. automotive product engineer with Magna/Cosma in Mexico. For him, LME is “a good opportunity for everybody to learn about all LME: LIKE NO OTHER LASER EVENT the technologies in the same place. You can get a lot of information from all the suppliers. If you have any specific requirement, you LME, being held once again in proximity to many of the top have people with a lot of knowledge and experience, and they can automakers and laser job shops in the U.S., is geared to be one- tell you about your application and all the details.” stop shopping for those either seeking to refine current laser

For attendees and exhibitors alike, LME creates a powerful F O CUS : INDUSTRIAL LASERS systems and applications or assessing potential new ways to networking environment. employ photonics in production. “We’re seeing new blood at this exhibition,” asserts Shiner, “As many laser manufacturers and system builders are who had a significant role in crafting the inaugural LME and engaged in the workshop, this would be an ideal opportunity to chairs the committee that oversees LME. “I’m seeing people I get application-related questions answered and get new ideas on didn’t even know.” how to use lasers,” Beyer notes. “We are going to unite many The thing to remember in the laser processing arena, he counsels, people from the laser community who were and are shaping the is that, “Almost any machine for production is a custom design; way the world of lasers is today. This will make it possible to you have to listen to the customer.” With LME, the industry now address lasers from basics to high-end applications.” has the perfect venue for those conversations to take place. At the inaugural LME in 2011, auto manufacturers were out in force. Geoff Giordano is a freelance writer. “I had one guy asking about a battery welding application (and) LIA T O DA Y another guy asking about glass processing; they do automotive glass mirrors and asked about laser scribing,” Mueller recalls from manning the expert booth in the exhibit hall. “There are enough SEPTEMBER / O CT BER 2012

General-TruLaser-ad(LIA)-FIN.indd 1 11/16/11 7:59 PM 10 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 LASER WELDING magnesium or stainless steel/copper with clearly better qualities. magnesium orstainlesssteel/copperwithclearlybetterqualities. welding ofmixedmaterialssuchasaluminum/copper, aluminum/ Dresden havenowdevelopedatechnologythatenablesthelaser the Fraunhofer Institute forMaterialandBeam Technology IWS aluminum/steel orcastiron/case-hardenedsteel. The researchersof materials andtheircombinationscanalreadybeweldedbylaser, e.g., weight andperformanceproperties. A multitudeofdifferent Laser BeamWelding tasks thataredemandedinthefieldofelectromobility. be developed. They provide solutionsforamultitude of joining in aprofessionalandlong-lastingway. Someapproachescould Fraunhofer IWSDresdenhassetthetasktojoinbothmaterials copper, alsoprovidesverygoodelectrical properties. The connections. Aluminum, which is lighter and cheaper than make it predestined for the production of cables and electrical By MathiesKraetzsch The improvement results by the benefits of brilliant laser beam optimized with joints efficient for stands welding beam Laser Copper isknownforitsexcellent electrical properties that LASER beamWELDINGwithhighfrequency It concerns especially such It concernsespeciallysuch non-laser weldableuptonow. have beenconventionally material combinations, which possible tojoinmetallic oscillation make it now a highfrequencybeam sources inconnectionwith project WELDIMA. the BMBFfundedjoint have beendevelopedwithin technological parameters system andanumberof (up to 2.5 kHz max.). The high scanning frequencies dynamic 2Dscannerwith sources andusingahighly © Fraunhofer IWSDresden Cu compounds (process). Laser beamweldingof Al- © Secret Side–Fotolia.com Electric car model Brilliant laser beam Brilliant laserbeam all, 70percentofthenon-affected basismaterial. same valuesasthesimilar joint aluminum/aluminum and, after been measured. The tensilestrengthofthecompoundachieves dynamic beam scanner, phaseseam values less then 10 µmhave the aluminum/copper compounds weldedatIWSwithahighly seam, thelower tensile strength of the weldedjoints. For phase intermetallic the smaller The set. specifically be can weld, phase seamwithunwantedintermetallic joints, generatedinthe combination with structural analysis, the width of the intermetallic allows thecontrol of themixing ration of bothmaterial partners. In time-, position-andpower-controlled laserbeamoscillation. and solidification behavior can be influenced by a high frequency joint, seamgeometry, chemical composition, melt pool turbulence input. On the other side,the melting behavior at metallic mixed melt pool lifetime. These allowanextensive reduction of theheat Extreme smallweldseamwithhighaspectratioleadstoveryshort occur. combinations like Al-Cu, wherebrittleintermetallic phases Dresden intheWelding Group. of thecompoundwereonorder30to40MPa. plated state and directly finished. The measured shearing strengths rolling speeds upto8 mmin-1canbewelldeformed in theroll- interconnections can be avoided completely. The bandplated at The intermetallic phases whicharetypical for aluminum/copper parameters. process the of choice the by influenced substantially have shownthattheformation oftheweldingzonecanbe be generated between the metal bands. Analytical investigations roll the pressure, permanent, precise and interface-free transition joints can of influence the Under volume. heated highly limited) the deformation intherollgapislargely localized to the(very the metal bands immediately after induction preheating. Thereby, material jointsofbandsmadefromaluminumandcopper. advantages of cold and hot roll cladding and enables large-area roll process forindustrial use. This process combines the The researchers in Dresdenare developing a newlaser induction of lithium ion cells is a focal point of the research project DeLIZ. Laser InductionRollPlating © Fraunhofer IWSDresden Roll platedand twistedbandmadefrom aluminum andcopper. An additional lateral beam shifting in the welding joint region ahe Katsh s n nier o Fanoe IWS Fraunhofer for engineer an is Kraetzsch Mathies During theprocess,alaserbeam heats theinnersurfacesof The generation of Al-Cu interconnections for the packaging Laser Safety Solutions for Over 30 Years Industrial, Medical, R&D

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Rockwell Laser Industries, Inc. Tel: (800) 94-LASER www.rli.com 11 RLI Int’l: +1 (513) 272-9900 12 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 By StephenZiermannandDavidHavrilla micron cutting quality is even higher than the already excellent exceeding 4 mm are comparable, but for thinner materials, the 1 at the same laser power. Surface roughness formaterial thicknesses with oxygen assist gas is very similar for 1 and 10.6 micron lasers The focusconditionsforbothlasersarecomparable. kilowatt CO disk laser (TruDisk 3001) with 1.03 mm wavelength and a 5 (roughness, drossandburr)willbecomparedusinga3kilowatt – mildsteel and stainlesssteel. Speedand cutquality will considerthemostcommon industrialmaterials copper, brassandgold. as such materials reflective highly processing to door the lasers 1micron have their absorption niches as well. These lasers open the Of course, lasers. fiber or disk the absorbs much better into these materials compared with longer wavelength of the carbon dioxide laser simply wood, paper, fabricand othernon-metallic materials. The We can start with the obvious niches – polymers, glass, CO both the10.6and1micronlasershavetheirniches. The most common industrial metals, it is important to note that key criteria. each application. Processing speed and edge quality serve as the general guidelines for selecting thelaserthatisbestsuitedfor brightness 10.6 and 1 micron laser 3Dcutting, and will provide This article will examine the application fields of high power, high may seemobvious–thereisnosuchthingasauniversallaser. type oflaserisbestsuitedfortheapplication?” fundamental questions that must be asked and answered is -“what the right laser for anygiven application. However, oneofthe most than thereistoday. There aremanyconsiderations when choosing variety of highpowerlasertypesandwavelengths to choosefrom years. Within thosethreedecadestherehasneverbeenagreater laser CUTTING Fig. 2,right– Cutting ofstainlesssteelwith nitrogen assist(fusioncutting). Fig. 1,left–Cutting ofmildsteelwithoxygen assist. 2 WAVELENGTH DEPENDENCYINHIGHPOWERLASERCUTTING lasercontinues toreignoverseveralapplications. As aruleofthumbit can be saidthat the cutting of mild steel The direct comparisons presented below, however, Before investigating the cuttingperformanceon Manufacturers andusersalikearerealizing what, inretrospect, Laser cutting and welding have been around for more than 30 2 laser (TruFlow 5000)with10.6mm wavelength. avoided (see Figure 2). Table 1 gives a simplified summary of cutting stainless. summary simplified a gives 1 Table 2). Figure (see avoided rougher surface compared to CO similar, the cutting quality isn’t. With 1 micron some burranda However, forthicknessesover4mm,althoughspeedsarevery CO kW 4 to comparable is fiber or disk kW 3 (i.e. power laser the 1 micron wavelength provides greater cutting speeds at lower with nitrogenassistgas,roughnessvaluesarequitesimilar, but cutting speedswithoxygenaresomewhatlimited. while averting excessive burning. Due to this phenomenon, the power usedat each thickness is optimized for speedandquality, cutting ofmildsteelisdrivenbytheexothermic process, thelaser CO perfect tool forcutting hot formed3Dparts,whichisabooming the lasers delivered fiber the make material) mm 1 (for m/min 30 10.6 micron CO to superior are lasers, delivered fiber micron 1 the of speeds even about 2.5 mm thickness, cutting quality, andforsomethicknesses – at much higher speeds than is possible with oxygen. For up to Table 1:Relativeratings,nitrogen cuttingofstainlesssteel. 2 results (see Figure 1). Since the cutting speed in oxygen For cutting stainless steel with thicknesses up to about 3 mm Thin thicknesses ofmild steels can be cut with nitrogen, too 2 the Product & Applications Group atTRUMPF. and the U.S. and David Havrilla is the manager of laserresults(at5kW).Cutting speedsofupto TRUMPF in laser applications both in Germany strength indiversity. can accomplish alltasksequally well. There is excels. In fact, there is noonetype of laser that and application regimes where each laser type laser. However, there are niche applications well establishedlaserslikethe10.6micronCO thought it soundedthe death toll for the older, or in the not too distant future, direct diode, some fiber, disk, like lasers micron 1 brightness high market. tpa Zemn i a egne for engineer an is Ziermann Stephan With all theexcitement about thenewer, 2 laser cutting results can not be 2 ). 2

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15 WWW.LASERSTAR.NETWW.LASERS 16 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 Museum. the President’s Receptionheld attheMarconi Automotive LIA President ReinhartPoprawe welcomesattendeesto winner IsamuMiyamoto. Schawlow Award2012 collection ofvehiclesvaluedatmorethan$30million. being busedtoandfromtheevent,wheretheywitnesseda Tustin. Attendees eagerly shared insightsandexperiences while reception onMondayattheMarconi Automotive Museumin in the week, attendees were treated to an exciting president’s that LIA easily overshot its financial projections for 2012. Earlier Wednesday awards luncheon — during which they announced that saw them exchange good-natured gifts tooneanother at the Reinhart Poprawepresidedoveranothercollegial gathering and vendors. than 200presentations as theycouldwhileinteracting with peers 33 countries from first-timers, gathered insouthernCalifornia to takeinasmanyofthemore 40 about including attendees, Optics (ICALEO International Congress on Applications of Lasers&Electro– highlighted these themes in a broad-ranging program for the 31 facilitation ofgreenenergy technologies. but they’re buildingabetter world asvital components inthe useful acrossthemacro-, micro- andnanoprocessingspheres, By Geoffiordano The chief honoree of ICALEO 2012 was Prof. Isamu The chiefhonoreeofICALEO2012wasProf.Isamu LIA Executive Director Peter Baker and President Prof. From beginningtoend,theLaserInstitute of America Not onlyarelasersbridgingworldsbyoffering solutions ICALEO 2012PRESENTSTHELATESTINLASERMATERIALS ® ) fromSept.23-27in Anaheim. Nearly 500 internal modification of glass, glass, of modification internal characteristics of foturan glass characteristics offoturanglass give presentationsonwelding very lastday. Notonly didhe instead remainedbusytothe acknowledgement, Miyamoto attended solelytoenjoythis processing. While hemighthave laser weldingandmaterials body ofpioneeringworkon L. Schawlow Award forhis Miyamoto, whowonthe Arthur of nonlinear absorptivity in of nonlinear absorptivity in and nondimensional evaluation PROCESSING RESEARCH st nonthermal.” not agree did They with mebecausethey believed that the ultrashort pulse laser is field. that in researchers many were there of newphysics. When Istarted welding by ultrashort laser pulse, short With I think. laser pulses there are many problems (to solve); there are a lot finished, been has part important most the in thehigh-powerregion,(which)isalsoveryinteresting, but ideas withanattendee. “Iusedtobeinvolvedinmacroprocessing after oneofhispresentationstoanswerquestionsandsketchout applications are mostexciting,” Miyamotonotedwhilestaying operational detailsamongGermany’s lasercenters. Wave ofLaser Welding” andaclosingplenaryaddresssurveying but healsodeliveredaluncheonkeynotetitled“OriginandNew piece ofglassin and45minuteslatertheyhave itassembledonto process.” Henoted that First Solar “claims that they can take a CIGS —cad-tel andamorphoussilicon —rapidlyinareel-to-reel crystalline orasclose aswecangettosingle-crystalline CIGS, material science community is learning how tomake good single- hands ofthelaserestablishment. dramatically increase the impact of alternative energy restsinthe Volt contains a 400-poundbattery, heasserted that the power to of solarpanelsontheroofhishome,andthat his Chevrolet hydro, wind,waveandsolar. Notingthat he installed 5 kilowatts a rolephotonicsplays”inrenewable power sourcesincluding while withSpectra-Physics,assertedthat“it’s surprisingwhat effective alternativeenergy withlaser-based lightsources. gun in researchers’ race to find more efficient means of producing Center at Stanford University, amounted to the firing of a starting Baer, executive director of theStanfordPhotonicsResearch discussion withhispost-presentationqueries. 2011, Washio attended many sessions, often fueling further nanotech sciences. As hedidwhile serving inthe same role in technology as opposedtolastyear’s focusonmaterial and Washio emphasized a programgearedmoretoindustryand A WEALTHOFKNWLEDGE area. ButIthinkit’s themostexciting(areaofstudy).” performance becomes double.Unfortunately, it’s anexpensive simple. If youmakethepower, pulseorrepetition rate double,the ultrashort pulse processiscomplicated, but sometimes it’s very femtosecond laser. As Imentioned intheawardaddress, example, at (Fraunhofer) ILT they are developing a 1kilowatt Development in that regard is moving quickly, he says. “For is needed tohelpindustriesembraceapplications with thosetools. ultrashort pulse lasers, Miyamoto emphasized that more research Noting the challenges of understanding the “real physics” of “From thescientist’s pointofview, ultrashortlaserpulse “Part ofthechallenge we faceasaphotonicscommunity and in1982 presentation ICALEO first his gave who Baer, The openingplenarysessions,kickedoff byDr. Thomas In hisopening remarks, ICALEO General Chair Kunihiko ICALEO con’t on page 18 AF0510D_LM_Laser_Machining_7_5x10_AF0708A_medical_8_125x10_875.qxd 8/10/2012 10:24 AM Page 1

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This liquid into lasers firing by created be can microjets optohydrodynamic processing, in which high-speed cleansing Interferometers andlong-periodgratings. fibers, optical creating advanced sensingdevicessuchas FiberMach-Zehnder structure to lasers femtosecond using described it easyforthesecondpulsetocomeinandremoveremainder.” heat todiffuse intotheremainder of thesubstrate,andthatmakes deposit acertain pulseandwaitalittle bit, you’re allowingforthe scribing. “Ifyougiveitsometime,canremoveITO. Ifyou improve micromachining precision, forexample in ITO/silicon allows thermal diffusion within the material being worked to using laserpulsesof10to30nanosecondsversus200 energy generationandstorage. Among themanyhighlights: in lasers of use the and processing thin-film materials, dissimilar more, especially with educational tracks devotedtoprocessingof amount ofunburnedorpartiallyburnedfuel. boiler coal-fired a within example, for — resources lasers canmonitor processes associated with consuming fossil Furthermore, unit. the to efficiency percent 10 add could also but wind velocity to adjustthepitch ofthebladesandprotect them, light detection and ranging (LIDAR) systemthat would sense storm, Baer explained that lasers can have a role not only in a have commercialimpact.” improve. The bottom line is theydon’t havetoimprovemuch world, andthereisstill great potential for these technologies to to haveinnovation inthisarealargely duetoresearcharoundthe Baer noted the thin-film market is increasing. “We have continued lowest-cost panelsonthemarket.” a module,whichisanamazing feat, and theydoindeed have the ICALEO con’t from page16 exhibitors toshow offtheir latesttechnology totheattendees. ICALEO Vendor Reception and Tabletop Displayallows • Kerstin Kowalick of Germany’s Ruhr University Bochum University Ruhr Germany’s of Kowalick Kerstin • Tamperethe University presented Finland of Ville• Hautala • Dongsik Kim of POSTECH in South Korea detailed droplet Newfoundland of University Memorial the of Chen Qiying • how showed CA, Altos, Los of Hendow Sami Consultant • ICALEO emphasized research geared to these areas and Using avideoofwindmill destroyed byanapproaching film, thin vis-à-vis dominates still market silicon the While to reduce the reduce to thin buildups (of powder or wire), for corrosion protection, wear 2D-plus ifyouwould.It’s large surfaces(using)thinormoderately is alotofactivity andinterest in surface technology whether it’s medical/dental, even aerospace.Mypointwasthere going onin3Drapidfabrication, or fullfunctional deposition, he’s chairing for LIA in Houston this February. “There’s a lot additive manufacturing —andapreviewoftheLAMworkshop photovoltaics. thin-film producing in lasers of values multiple the on discourse about 40 credit cards to raise $250,000 to fund the company. They 1987 financial crisis, recalled how he created Light Solutions using customer.” being so complicated. Put downthe technology and think like a crisis. Many scientists are too smart to be entrepreneurs; stop financial a of “Technologyout us pulling of way wonderful a has entrepreneurs. to give a short course detailing how researchers can think like Dr. LarryMarshallofSouthernCross Ventures inPalo Alto, CA, certainly a lot of incentive,” Baer noted. To that end, LIA invited there’s money to bemade in switching to photovoltaics; there’s technologies and exploring newones.Forexample, “I think BUT ISITPROFITABLE? everybody.” and disc. Fiber-delivery systems make life so much easier for most oftheresearchthat was donewithCO so lasers, disc and lasers fiber in developments got you’ve Now these applications, so most of the work wasdone with CO of any in effectively used be to there not simply were lasers of fiber out levels power the ago, years 10 to five “Maybe noted. he in different regions.” researchers get apicture of wherethingsare andwhat’s happening of what research is being done in the U.S., Europe and Asia. The materials track. “There’s alotofexchangeinformation in terms of thesepapers,”notedMilanBrandt,chairthedissimilar still needstobefasterandcheaper. processing hasadvantagesoverothertechnologies, he says,butit able to recover that material in an economical fashion.” Laser drilling deeper, we’rediggingupoilsands,andwehavetobe protection, repair. Someofthat’s beingdrivenbyenergy. We’re Nano Conference Chair Yongfeng Lu. ICALEO Congress General Chair Kunihiko Washio and • Paul Denney of Lincoln Electric gave an overview of laser of overview an gave Electric Lincoln of Denney Paul • Marshall, who came to the U.S. from Australia during the advised. Marshall years,” five every yourself “Reinvent existing refining in factor driving a is profitability course, Of Laser development and researchadvances “go handinhand,” out benefit of lot a get ICALEO to came who people “The 2 has shifted to fiber to shifted has — call it 2 lasers. created a shoebox-size solid-state green laser and targeted makers of far larger units for ophthalmology. While their competitor needed a truck to get its laser to a hospital, Light Solutions could FedEx its product to clinics and physicians, tripling the market. The company’s crowning achievement was a laser that treated retinopathy of prematurity, in which children born more than six weeks prematurely are rendered clinically blind because their retina isn’t formed and excess blood vessels must be “killed” to restore vision. Light Solutions replaced cryotherapy, which was about 60 percent effective, as the standard of care by building an infrared laser at a wavelength capable of penetrating the

sclera. The optic system created a large beam to enter the eye F O CUS : INDUSTRIAL LASERS without damaging tissue, then focused down inside the eye so the LIA’s Peter Baker presents Reinhart Poprawe with his 2012 physician could selectively burn excess blood vessels. President’s plaque, top left, and Plenary Speaker Eckhard But success doesn’t always afford the best lessons. “It’s OK Beyer, top right. to fail,” Marshall explained. “As an engineer or scientist, we abhor LIA Past President Steve Capp presents first place poster failure. There is no such thing as failure in the entrepreneurial award to presenter Qiying Chen, bottom left, and Keynote world. You learn infinitely more from something that doesn’t work Presenter Thomas Baer, bottom right. than you do when you happen to get lucky and find something that does work. It’s very important when you find success to acknowledge that it’s luck. If you acknowledge it’s luck, you’ll stay humble.”

IMPRESSIONS OF ICALEO LIA T O DA Y While critical research is always at the heart of ICALEO, it is a chance for the global laser community to connect on many levels in ways other conferences might not allow. One first-time attendee, Prof. Walter Weingaertner, came to engage with industry professionals as he creates a laser institute in Brazil, one in a system of 38 being built under government SEPTEMBER / O CT BER 2012 and industry auspices. Having used lasers for 10 years, he has sent people to Germany to build Brazil’s photonics knowledge base, which has been oriented more toward welding and cutting and needs growth in the optics field. ICALEO is “an excellent opportunity,” he concluded. “I’ve had a lot of very nice experiences at this conference.” Howon Lee, a post-doctoral researcher from MIT, was another first-time attendee who doesn’t even use lasers inhis microfabrication system, but was eager to attend ICALEO to hear how researchers are using spatial light modulators (SLMs). He came “to meet people who are interested in 3D microfabrication, From left to right – LIA President Elect Klaus Loeffler, LIA to share common interests and get some feedback from this President Reinhart Poprawe, 2012 Schawlow Award recipient community. There are a lot of interesting talks.” Isamu Miyamoto, LIA Executive Director Peter Baker, LIA One of the sessions Lee attended was Dr. Stuart Edwardson’s Past President Stephen Capp and LIA Treasurer Yongfeng Lu. discussion of the University of Liverpool’s advances using SLMs to split beams for high-throughput patterning of silicon, titanium and thin-film electrodes on flexible and glass substrates. Student Award Winners Edwardson had attended his first ICALEO in 2001. 1st Place: 1003: Peter Stritt; University of Stuttgart, “It’s getting busier,” he noted. “The quality of presentations Stuttgart, Germany, “New Hot Cracking Criterion for Laser is certainly going up, and the breadth of what’s being discussed Welding in Close-Edge Position” and presented is increasing. Every time I come here there’s a new 2nd Place: N404: Wei Xiong; University of Nebraska- component. The latest in laser materials processing is here; it’s Lincoln, Lincoln, Nebraska, USA, “Three-Dimensional one of my favorite conferences.” Micro/Nano-Fabrication by Integration of Additive and To order the highly detailed ICALEO 2012 conference Subtractive Femtosecond-Laser Direct Writing Processes” proceedings, visit www.lia.org/store/icaleo. To register for 3rd Place: M1104: Krste Pangovski; University of ICALEO 2013 to be held Oct. 6-10 in Miami, stay tuned for Cambridge, Cambridge, Great Britain, “Designer Pulses for updates at www.icaleo.org. Precise Machining of Silicon - A Step Towards Photonic 19 Geoff Giordano is a freelance writer. Compositions” 20 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 LASER CHINA epi I-I Chrn, epr, ipi, als, JDSU, Raylase, Qioptiq, Newport, Coherent, II-VI, SPI, SIASUN, Delphi, Laser, Han’s Miyachi, IPG, Rofin, TRUMPF, from Chinaandothercountriesacrosstheworld.Currently, occupy anareaof370,000squarefeet,withabout600exhibitors ATTENDANCE ANDEDUCATION all over theworld,8 between researchers and experts from institutions and companies and innovation of all fields in the industry and the communication Imaging and Optical Metrology. Dedicated to the development for Optics,Laser Systems forProduction Engineering and Lasers andOptoeletronics, Optics andManufacturing Technology industry andshowcaseditsentire spectrum infourcategories: PHOTONICSCHINA hasalwaystakenaleading role inthe From componentstoindustrialapplications, LASER World of going toopenattheShanghaiNewInternational Expo Centre. trade show, LASER World of PHOTONICS CHINA 2013, is provides youwiththebestplatformforfindingsolutionsinlight. LASER World ofPHOTONICS CHINA 2013isexpectedto On March19-21,2013, Asia’s leading laser andphotonics

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Industry leaders look to us to stay ahead and deliver. Subscribe Today! www.Photonics.com/Subscribe or call (413) 499-0514 25 26 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 date yettobedetermined. is scheduled to be held this fall in San Antonio, TX, the specific health physicistsandsafetyengineers. A subcommitteemeeting including manufacturersofprotectiveeyewear, laboratories, of DoD base (military) andindustry, e.g.,medicaldevicemanufacturers user the as defined been have stakeholders The systems thatoperateatwavelengthsbetween180nmand1mm. equipment (devices)designedforusewithlasersandlaser for thetestingrequirementsandlabelingofprotective was announcedin ANSI’s Standards Action thispastFebruary. summer (June 2011); the public notice for revising the document James Sheehywasreinstatedasthesubcommittee’s chairlast subcommittee responsibleforitsdevelopmentisSSC-7.Dr. of thisstandardwaspublishedinearly2008;thestandards edition first the – Labeling ofLaserProtectiveEquipment enter therevisionprocess. issue, wewouldliketosharewhichdocumentsarepreparing recently approved and impending releases were reviewed. In this Standards ontheHorizon,PartII HalfPage.indd 1 ASC Z136update The scopeofthedocumentistoproviderecommendations Z136.7, American NationalStandardforTesting and Reported intheMay/JuneissueofLIA TODAY, standards Z136.8 ANSI We’ve Done theResearch LIA.ORG/ANSI.8 1.800.34.LASER So You Don’t HaveTo. Conference (ILSC off meetinginconjunction with theInternationalLaserSafety revision process is imminent. Plans are underway to hold a kick- subcommittee 4(SSC-4)followingpublicnoticethatthe the annualmeetinginFebruary, willbereconstitutingstandards of opticalradiationhazardsassociatedwithlasers. evaluation and classification the for necessary parameters those this standardprovidespracticalguidanceforthemeasurementof Lasers, of Use Safe – acompaniondocumentto ANSI Z136.1 Practice forLaserSafetyMeasurementsHazardEvaluation or [email protected]. for moreinformationcontactBarbaraSamsat+1.407.380.1553 Apply directlythroughtheZ136websiteatwww.z136.org, or conducted via the Z136website and by email correspondence. of subcommitteework(aswellasmaincommitteework)is document toapplyforsubcommitteemembership. The majority groups orhasamaterialinterestinthedevelopmentofeither invitation toanyonewhoeitherfallsintooneofthestakeholder or Testing Development, Lasers inResearch, Safe Useof 2012 Mr. Jeffrey Pfoutz,whowasapprovedasSSC-4chairat Z136.4, American NationalStandardRecommended We wouldliketotakethisopportunity extendan Published By ® ) inMarch2013. 5/16/12 12:21 PM bls update

Upcoming Activities for Certification Maintenance Points November 5-9, LSO with Hazard Analysis, San Antonio, TX. This course is designed to teach the knowledge required to With the end of the year rapidly approaching, many certified perform the duties of Laser Safety Officer as described in theANSI laser safety officers (CLSOs and CMLSOs) will complete their Z136.1 Safe Use of Lasers standard. Other dates and locations for 3-year certification cycle and are starting to tabulate certification this course include: January 28-February 1, 2013 in Orlando, FL maintenance (CM) points. Some may be in need of a couple more and March 11-15, 2013 in Phoenix, AZ. CLSO exam opportunities points to recertify. Others may be in the process of forecasting follow each course! next year’s travel budgets. In any case, the following is a list of March 17, 2013, ASC Z136 Annual Meeting, Orlando, FL. upcoming courses, meetings and conferences in which CM points Observers welcome! If you are interested in participating on the can be earned. committee or just wonder how the standards development process F O CUS : INDUSTRIAL LASERS October 20-21, MLSO Training, Chicago, IL. This course works, this meeting will give you the opportunity to learn firsthand is designed to give operating room personnel a basic foundation just what it takes. RSVP to Barbara Sams, [email protected] or call in laser biophysics, tissue interaction and laser safety. Other dates +1.407.380.1553 to ensure seating availability. and locations this training course will be offered: February 9-10, March 18-21, 2013, ILSC®, Orlando, FL. The International 2013 in San Antonio, TX; March 2-3, 2013 in San Diego, CA and Laser Safety Conference (ILSC) covers all aspects of laser safety March 16-17, 2013 in Orlando, FL. CMLSO exam opportunities practice and hazard control. Scientific sessions will address follow each course! developments in regulatory, mandatory and voluntary safety October 23-24, Lasers in Manufacturing Event (LME®), standards. The Practical Applications Seminars (Medical on Mon- Schaumburg, IL Again this year, LIA will be providing a one-stop Tues, Technical (i.e., non-medical) on Wed-Thurs) complement the event for companies interested in integrating laser technology scientific sessions by exploring everyday scenarios that the LSO into their production. Attendees will learn about automation and MLSO may encounter. Earn up to 4 CM points by attending! equipment, laser choices, beam delivery, safety considerations, and Questions? Contact the Board of Laser Safety at LIA T O DA Y applications development, as well as meet exhibitors that supply [email protected]. these products and services. Earn BLS CM points by attending! SEPTEMBER / O CT BER 2012 CERTIFICATION Board of Laser Safety for Laser Safety Officers

• Get connected with other laser safety professionals ® • Gain a competitive edge • Stay current on changes in the industry

Intended for professionals who • Achieve recognition are working with lasers in a scientific, manufacturing, or industrial environment.

Intended for professionals For more information or to obtain Visit: www.lasersafety.org who are working with lasers 27 in any medical environment. a complete information packet. Call: 1.800.34.LASER 28 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 Ceramic particulatereinforcementenhancesthealready by Yung Shin Compositin Nickel-Based Metalatrix Laser Directepositinf displacement andinclinationduringfastrotation. trepanning systemsenablethecontrolledadjustmentofbeam implemented. Dependingonthedevelopmentstage, systems basedonrotatingopticshavebeendesignedand processing, e.g.,microdrillingandcutting,versatiletrepanning To exploittheadvantagesoflasertechnologyformaterial by ChristianScholz Productin System forResearch& A NovelLaserTrepanning View completearticlesatwww.lia.org/laserinsights undertheFeatured Category. technologies, applicationsandmarkets. comprehensive globalcoverageofoptoelectronics scientists, andtechnicalprofessionalsproviding a globalresourceforengineers,researchers, mentation inproduction environments. bene ts ofthese processespriortotheirimple- interested inunderstandingthe technicalandcost processing toendusersinmanufacturing whoare edgeable informationonindustrial lasermaterials Published since1965, AND WEKNOW YOU’RE QUALIFIED ... FREE TO QUALIFIED SUBSCRIBERS! Industrial Laser Solutions Laser Industrial Laser Focus World World World World Focus Focus Focus Focus Laser Laser Laser Laser deliverstimely, knowl- localized surfacefunctionalities. and wearprotective coatings. The laserprocesscanalsogenerate welding processes,lasercladdinggeneratessuperiorcorrosion deposition. Compared to traditional plasma powder buildup industrial technology for high quality and precise surface coating from mostlyspecialized laboratory efforts intoanestablished Over thepastdecade,laserbuildupweldingtransitioned by Eckhard Beyer Cladding Efficiency Concepts forHighestLaser New IndustrialSystems& of MMCwithpropertiestailoredtotheapplication. hardness, etc.Laserdirectdepositionallowslocalizedaddition metal matrixcomposites(MMC)toimprovewearresistance, Reinforcement particlesalterthematrixmicrostructureof superior mechanicalpropertiesofnickel-basedsuperalloys. s give youinsightintothecontentandapplicationsofpapers developments in laser safety and the possible applications of developments inlasersafetyandthepossibleapplicationsof laser materialsprocessing. Theseoverviewsare designedto Laser Insightsisafeature togiveinsightintotheverylatest is Visit www.lia.org/laserinsights tobeginyoursearch. presented atourconferences andworkshops. or scanthisQRCode. Log onto www.ils-subscribe.com SUBSCRIBE TODAY! or scanthisQRCode. Log onto www.lfw-subscribe.com SUBSCRIBE TODAY! jla update The JLA is published four times a year in February, May, August and November. It is available electronically to LIA members as a member benefit. To view the journal online, please make sure your membership is current.

The Laser Institute of America has made its official publication the Journal of Laser Applications® (JLA), an online-only journal, complete with new features for a broader audience. JLA is hosted on AIP Publishing’s robust Scitation online platform, providing the journal with great functionality and the ability to leverage a wide range of valuable discoverability features. JLA now features nine topic sections, a faster peer-review process and a more functional website (jla.aip.org) that makes content easier to access and more interactive. Readers will find full-text HTML rendering featuring inline reference links and the ability F O CUS : INDUSTRIAL LASERS to enlarge tables and figures by clicking on them. Among the new features are enhanced search functions with more options and better controls to explore returned content in more useful ways. For non-members of LIA, call the American Institute of Physics at 1.800.344.6902 for subscription information. Sign up at jla.aip.org/alerting_services/table_of_contents_alerts to receive your JLA table of contents email alerts. Research Highlight – Flexible and Efficient Laser Remote Welding of Ultra-Thin Metal Foils Andreas Patschger, Jens Bliedtner, Matthias Hild and Jean Pierre Bergmann This paper discusses investigations regarding flexible and efficient strategies of laser remote welding of ultra-thin metal foils (≤50 μm) which are applied in the fields of electronics, packaging and construction. A single-mode fiber laser was used, equipped with a scanner head and diverse objectives. Thus, different optical settings and material thicknesses could be tested and compared with regard to process stability, reliability and efficiency. The long-term stability of the optical setting was determined related to focus shift and

beam shape in the working plane. The specimens were analyzed with methods of micro-sections, microhardness and tensile strength LIA T O DA Y tests. In this way, it could be shown that laser remote welding of ultra-thin metal foils is a well-suited modern technology which is able to substitute former slower or inflexible techniques, respectively, compound materials with a high in-house production depth. View complete articles at jla.aip.org. SEPTEMBER / O CT BER 2012

The World’s Leading Conference on Laser Safety SAVE THE DATE March 18-21, 2013 | Orlando, FL USA Doubletree by Hilton® at the entrance to Universal Orlando

Featuring: • Laser Safety Scientiﬁ c Sessions • Technical Practical Applications Seminar • “Hot Topic” Luncheon • Awards Luncheon Presented by: • Returning for 2013! Medical Practical Applications Seminar – Earn contact hours while experiencing cutting-edge presentations www.lia.org/ilsc 29

ILSC13_ad-7.5x4.75.indd 1 3/6/12 11:54:29 PM 30 FOCUS: INDUSTRIAL LASERS LIA TODAY SEPTEMBER / OCTOBER 2012 medical device, aerospace and defense communities. Over the Mound LaserisbringingtotheDaytonRegionserve and theadvancedmanufacturing his supportforsmallbusiness Congressman Mike Turner alsoaddressed theaudience to show Valley ResearchPark(MVRP). Miamisburg, OH,brokegroundforanewbuilding in theMiami Mound LaserExpanding received thisyear’s award.” Ophir Photonics(U.S.).“We arehonoredthat BeamTrack has just entered the market,” stated Gary Wagner, general manager, R&D excellence, identifying revolutionary technology that has main parameterswithasingledevice. are the first on the market to allow users to monitor all of a laser’s in onedevice:power, energy, beampositionandsize. They products unique seriesofthermal detectors that combine multiple functions significant technologically most 100 introduced intothemarketoverpastyear. BeamTrack isa the of one as Sensors were recently chosen by the editors of OPHIR’S BEAMTRACKWINsAWARD winning innovations,visit recognized at aNov. 1banquetinOrlando,FL.Foralistof members inmotin member innovatins into OEMmachineryandother processequipment. centering designmakestheI-800P isolatorseasy tointegrate isolation availableinthissize range. The patentedself- chamber designtodeliverthe bestverticalandhorizontal performance basedonNewport’s Stabilizer™hybrid- 3200 lbs. The I-800P Series isolatorsfeatureunmatched pneumatic vibrationisolatorsforplatformloadsup to attenuator on/off positionandthedetectorheadtemperature. 1918-R, 1936-Ror2936-R,theyautomaticallyrecognize the When connectedtoNewport’s powermetermodels1830-R, a built-intemperaturesensorandOD1attenuatorsensor. to 10wattsofopticalpower. The newCAL2models feature detectors that operate in the ultraviolet and can handle up Series 819C/Dhighpowersilicon-basedintegratingsphere integrating spheres newport intrduces The eventwashostedbyBrucePearson,CEOoftheMVRP. In July2012MoundLaser&PhotonicsCenter, Inc., Winners of the 50 “The R&D100 Awardsas abenchmarkof arewellknown Ophir Photonics’ BeamTrack™ LaserPower/Position/Size

For moreinformation,visitwww.newport.com. The companyhasalsodevelopedanewseriesof Newport Corporation,Irvine,CA,hasintroducedthe th Annual R&D 100 Awards will be www.rdmag.com. R&D Magazine R&D more information. applications.” JPSA team would benefit our capabilities in other micromachining we expect that the development expertise of the very experienced through IPG’sextensive salesandservicenetwork.Inaddition, on opportunities to expand theglobalreachofJPSA’s products capitalize to plan we time, same the million At now market. $800 fine-processing the isdeveloping of penetration IPG our deepen to that us allow lasers should fiber pulse short and UV “The combination of JPSA’s specialized laser systemsandthe Officer. Executive Chief Photonics ValentinDr.IPG Gapontsev, said synergies,” sales significant provides and offerings systems industrial automationapplications. micro-electro-mechanical systems, biomedical technology and panels, solar film thin LEDs, microfluidics, semiconductors, for laser micromachining, micro cutting, scribing and laser lift-off semiconductors andceramics. JPSA’s systemsperformadvanced drilling and micromachining of non-metals, including glass, cutting, precision fine-processing, for offerings product systems the nameIPGMicrosystemsLLC. the remainder of 2012. The acquired business will operate under anticipated to add approximately $4 million to IPG’s revenues for precision processing in high-volume manufacturing. JPSA is solid-state (DPSS) industrial laser micromachining systems for (JPSA), aglobal supplier ofUV excimer and diode-pumped privately held New Hampshire-based J.P. Sercel Associates Inc. IPG PhotnicsAcquiresJPSA more information, visit For benefit. mutual for needs economic and advances scientific international experts fromresearchandindustryin ordertomatch in thisconference. It istheaimofLiM2013to bringtogether processing. LIA is pleased to announce it is apartner organization developments as well as future trends in the field of laser latest materials the on focuses that conference scientific a is LiM Society, Laser Scientific German the by Germany.Organized Munich, in LIA InvolvedinLIM than 20lasersystems. laser-based advanced manufacturing and R&D.Itwillhousemore manufacturing facility and highlight Mound Laser’s focuson the project. The building will be a state-of-the-art R&D and with assist to County Montgomery from grant ED/GE $175,000 feet for aClass10,000Clean Room. MoundLaser received a 10,000 squarefeet of manufacturing space with1,000square medical anddefensecustomers. need foranewfacility to continue togrowandbetter serve its and has increased sales by 20times. This growth hasled to the past 10 years, Mound Laser has grown from five to 40 employees Visit “This acquisition broadens ourcustomized laser-based to expanditsintegrated The acquisitionenablesIPGlaser IPG Photonics Corporation, Oxford, MA,hasacquired the Laser inManufacturing 2013 (LiM)will be held May 13-16 The newbuildingwillbe20,000squarefeetandfeature www.jpsalaser.com orwww.ipgphotonics.com for www.wlt.de/lim.

LIA ANNOUNCES

JLA Open Access Highlights Communicate directly with influential decision makers and Revolutionary Research promote brand recognition to your target market with The ability to view and download for free a special issue of the our exclusive packages. Journal of Laser Applications® (JLA) is currently being offered. For more information, visit The issue, “Generation of Sub-100 nm Structures by Nonlinear www.lia.org/lam or contact Laser-Material Integration,” is a Jim Naugle at jnaugle@lia. midterm progress report on a six- org, 1.800.34.LASER. year study initiated in 2008 by

the German Research Foundation ILSC ALSO COMING IN 2013 F O CUS : INDUSTRIAL LASERS (DFG). The special September Make plans now to be in Orlando, FL March 18-21 in edition, co-edited by Dr. Andreas order to attend the 2013 International Laser Safety Conference Ostendorf of Ruhr-University Bochum with Drs. Karsten Koenig (ILSC®). ILSC is a comprehensive four-day conference covering of Saarland University and Yongfeng Lu of the University of all aspects of laser safety practice and hazard control. Scientific Nebraska, demonstrates the versatile methods such as near infrared sessions will address developments in regulatory, mandatory and femtosecond laser exposure to generate structures even below voluntary safety standards for laser products and for laser use. The 100 nm, i.e., far below the diffraction limit. JLA, the official Practical Applications Seminars (PAS) complement the Scientific journal of the LIA, is offering this open-access edition to all Sessions by exploring everyday scenarios that the Laser Safety viewers at jla.aip.org/resource/1/jlapen/v24/i4 under “browse Officer (LSO) and the Medical Laser Safety Officer (MLSO) may special issue.” encounter. Professionals in all fields and applications will find ILSC

a tremendous source for information and networking opportunities. New LIA Course – coming soon! LIA T O DA Y Sponsorship of ILSC 2013 is still available and a valuable way The inaugural Laser Safety Officer in the R&D Environment to reach a highly-qualified target audience. For more information, class will be held December 12-14, 2012 and be taught by Ken visit www.lia.org/ilsc or contact Jim Naugle at [email protected], Barat, chairman of the committee that put together the ANSI 1.800.34.LASER. Z136.8 Safe Use of Lasers in Research, Development, or Testing standard. This new LIA course prepares laser safety officers

(LSOs) to oversee the safe use of laser systems in oftentimes ad SEPTEMBER / O CT BER 2012 hoc situations. Given that research environments often feature “home-built” lasers, the course will teach research LSOs how to characterize such devices, as well as give examples of how to set up labs and establish control measures to mitigate hazards. The emphasis on properly assessing such lasers is even more critical in the Wild West atmosphere of research as opposed to, say, in a stable, regulated production line. LIA’s new course provides a roadmap for navigating what might be uncharted territory for someone who is appointed an LSO but comes from a more medical discipline than a laser background. To register for this new LIA course, visit Welcome www.lia.org/education or call 1.800.34.LASER. New

COMING IN 2013 – LAM corporate LIA’s 5th annual Laser Additive Manufacturing Workshop Members (LAM) will bring industry specialists, executives, users and researchers from around the world to show how cladding, sintering Aesthetic Medicine and rapid manufacturing can be applied effectively and affordably Lake Oswego, OR to today’s manufacturing challenges. This workshop will have a significant impact on the widespread Fiber Optic Solution Sdn Bhd Selangor, Malaysia industrial implementations of laser additive manufacturing in what is a Lincoln Laser rapidly growing industry. Mark your Phoenix, AZ calendars now to attend LAM, to be held Feb. 12-13, 2013 in Houston, TX. Telesis Technologies Circleville, OH Sponsorship of LAM 2013 is a valuable way to reach a For a complete list of corporate members, visit our corporate 31 highly-qualified target audience. directory at www.lia.org/membership. Non-Profit Org. U.S. Postage PAID Permit #2342 13501 Ingenuity Dr., Suite 128 Orlando, FL Orlando, FL 32826

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