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(12) United States Patent (10) Patent No.: US 7,792,003 B2 Volodin Et Al
US007792003B2 (12) United States Patent (10) Patent No.: US 7,792,003 B2 Volodin et al. (45) Date of Patent: Sep. 7, 2010 (54) METHODS FOR MANUFACTURING 4,057,408 A 1 1/1977 Pierson et al. ................. 65/18 VOLUME BRAGGGRATING ELEMENTS 4,095,875. A 6/1978 Lee et al. .......... ... 350,320 (75) Inventors: Boris Leonidovich Volodin, West 4,215.937 A 8, 1980 Borsuk ...................... 356,731 Windsor, NJ (US): Sergei Dolgy 4,239,333. A 12, 1980 Dakss et al. ............. 350/96.21 Lambertville, NJ (US), Vladimir S. Ban, 4,398,797 A 8/1983 Wedertz et al. ............. 385,137 Princeton, NJ (US) 4,514,053 A 4, 1985 Borrelli et al. ........... 350,162.2 (73) Assignee: PD-LD, Inc., Pennington, NJ (US) 4,747,657. A 5/1988 Chaoui et al. .............. 350,962 (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 358 days. (Continued) (21) Appl. No.: 12/127,590 FOREIGN PATENT DOCUMENTS ppl. No.: 9 EP O 310 438 A1 4f1989 (22) Filed: May 27, 2008 (65) Prior Publication Data US 2008/O225672 A1 Sep. 18, 2008 (Continued) Related U.S. Application Data OTHER PUBLICATIONS (62) Division of application No. 10/947,990, filed on Sep. Borgman, V.A., et al., “Photothermal refractive effect in silicate 23, 2004, now Pat. No. 7,391,703. glasses.” Sov. Phys. Dokl., Nov. 1989, 1011-1013. (60) Provisional application No. 60/506,409, filed on Sep. (Continued) 26, 2003. Primary Examiner Thang V Tran (51) Int. -
United States Patent [191 [11] Patent Number: 5,615,043 Plaessmann Et Al
11111 11111111 111 11111 11111 11111 11111 11111 11111 11111 11111 111111 111 11111 1111 USOO5615043A United States Patent [191 [11] Patent Number: 5,615,043 Plaessmann et al. [4s] Date of Patent: Mar. 25, 1997 [54] MULTI-PASS LIGHT AMPLIFLER Trutna et al., “Multiple-pass Raman gain cell,” Applied Optics, vol. 19, 1980, pp. 301-312. 1751 Inventors: Henry Plaessmann, Los Gatos; Tidwell et al., ‘‘Scaling CW Diode-End-Pumped Nd:YAG William M. Grossman, Los Altos, both Lasers to High Average Powers,” IEEE Journal of Quantum of Calif. Electronics, vol. 28, 1992, pp. 997-1009. Baer, “Performance of Diode-Pumped Nd:YAG and [73] Assignee: Lightwave Electronics Co., Mountain Nd:YLF Lasers in a Tightly Folded Resonator Configura- View, Calif. tion,” IEEE Journal of Quantum Electronics, vol. 28, 1992, pp. 1131-1138. [21] Appl. No.: 979,576 (List continued on next page.) [22] Filed: May 7, 1993 Primary Examiner-Nelson Moskowitz [51] Int. C1.6 ........................... HOlS 3/081; HOlS 310933 Attorney, Agent, or Firm-John E Schipper; Charles S. [52] U.S. C1. ............................. 359/346; 3591347; 372195 Guenzer [58] Field of Search ..................................... 3591337, 346, 3591347; 37272, 95, 108 [571 ABSTRACT mi References Cited A multiple-pass laser amplifier that uses optical focusing between subsequent passes through a single gain medium so U.S. PATENT DOCUMENTS that a reproducibly stable beam size is achieved within the 3,748,014 711913 Belser ..................................... 3561112 gain region. A confocal resonator or White Cell resonator is 4,360,925 1111982 Brosnar et al. ........................... 372/95 provided, including two or three curvilinearly shaped mir- 4,368,986 111983 Bennett .................................. -
Standardization in Spectrophotometry and Luminescence Measurements
TECH R l-C NAT L INST. Of STAND & AlllOM QblH14 iMJIJWilDinfnm i tm n TIMtTmTiT Standardization in Spectrophotometry and Luminescence Measurements Proceedings of a Workshop Seminar Held at the National Bureau of Standards Gaithersburg, Maryland, November November 19-20, 1975 Edited by: K.D. Mielenz, R.A. Velapoldi, and R. Mavrodineanu Analytical Chemistry Division Institute for Materials Research National Bureau of Standards Washington, D.C. 20234 U.S. DEPARTMENT OF COMMERCE, Juanita M. Kreps, Secretary Dr. Sidney Harman, Under Secretary NATIONAL BUREAU OF STANDARDS, Ernest Ambler, Acting Director Issued May 1977 Library of Congress Cataloging in Publication Data Workshop Seminar on Standardization in Spectrophotometry and Luminescence Measurements, National Bureau of Standards, 1975. Standardization in spectrophotometry and luminescence measure- ments. (NBS special publication ; 466) "Organized by the Analytical Chemistry Division, Institute for Materials Research, at the National Bureau of Standards." "Reprinted from the National Bureau of Standards Journal of Re- search, Section A. Physics and Chemistry, vol. 80 A, nos. 3 and 4, May- June, and July-Aug. 1976." Supt. of Docs. no. C13. 10:466 1. Spectrophotometry-Cnngresses. 2. Fluorimetry-Congresses. 3. Phosphorimetry—Congresses. I. Mielenz, K. D. II. Velapoldi, R. A. III. Mavrodineanu, Radu, 1910- IV. United States. National Bureau of Standards. Analytical Chemistry Division. V. Title. VI. Series: United States. National Bureau of Standards. Special publication ; 466. QC100.U57 no. 466 [QD79.P46] 602'. Is [543'.085] 77-4739 Library of Congress Catalog Card Number: National Bureau of Standards Special Publication 466 Nat. Bur. Stand. (U.S.), Spec. Publ. 147, 155 pages (May 1977) CODEN: XNBSAV Reprinted from the National Bureau of Standards Journal of Research, Section A. -
3-D Fabry–Pérot Cavities Sculpted on Fiber Tips Using a Multiphoton Polymerization Process
Air Force Institute of Technology AFIT Scholar Faculty Publications 12-2020 3-D Fabry–Pérot cavities sculpted on fiber tips using a multiphoton polymerization process Jonathan W. Smith Air Force Institute of Technology Jeremiah C. Williams Air Force Institute of Technology Joseph S. Suelzer Air Force Research Laboratory Nicholas G. Usechak Air Force Research Laboratory Hengky Chandrahalim Air Force Institute of Technology Follow this and additional works at: https://scholar.afit.edu/facpub Part of the Atomic, Molecular and Optical Physics Commons, Bioimaging and Biomedical Optics Commons, Biomedical Commons, Biomedical Devices and Instrumentation Commons, Electromagnetics and Photonics Commons, Engineering Physics Commons, Materials Chemistry Commons, Nanoscience and Nanotechnology Commons, Nanotechnology Fabrication Commons, Optics Commons, Polymer and Organic Materials Commons, Polymer Chemistry Commons, Semiconductor and Optical Materials Commons, and the Structural Materials Commons Recommended Citation Jonathan W Smith et al 2020 J. Micromech. Microeng. 30 125007, doi: https://10.1088/1361-6439/ abc0fd This Article is brought to you for free and open access by AFIT Scholar. It has been accepted for inclusion in Faculty Publications by an authorized administrator of AFIT Scholar. For more information, please contact [email protected]. Journal of Micromechanics and Microengineering PAPER • OPEN ACCESS Three-dimensional Fabry–Pérot cavities sculpted on fiber tips using a multiphoton polymerization process To cite this article: Jonathan W Smith et al 2020 J. Micromech. Microeng. 30 125007 View the article online for updates and enhancements. This content was downloaded from IP address 74.130.189.13 on 16/03/2021 at 13:43 Journal of Micromechanics and Microengineering J. Micromech. -
Optical Theory Simplified: 9 Fundamentals to Becoming an Optical Genius APPLICATION NOTES
LEARNING – UNDERSTANDING – INTRODUCING – APPLYING Optical Theory Simplified: 9 Fundamentals To Becoming An Optical Genius APPLICATION NOTES Optics Application Examples Introduction To Prisms Understanding Optical Specifications Optical Cage System Design Examples All About Aspheric Lenses Optical Glass Optical Filters An Introduction to Optical Coatings Why Use An Achromatic Lens www.edmundoptics.com OPTICS APPLICATION EXAMPLES APPLICATION 1: DETECTOR SYSTEMS Every optical system requires some sort of preliminary design. system will help establish an initial plan. The following ques- Getting started with the design is often the most intimidating tions will illustrate the process of designing a simple detector step, but identifying several important specifications of the or emitter system. GOAL: WHERE WILL THE LIGHT GO? Although simple lenses are often used in imaging applications, such as a plano-convex (PCX) lens or double-convex (DCX) in many cases their goal is to project light from one point to lens, can be used. another within a system. Nearly all emitters, detectors, lasers, and fiber optics require a lens for this type of light manipula- Figure 1 shows a PCX lens, along with several important speci- tion. Before determining which type of system to design, an fications: Diameter of the lens (D1) and Focal Length (f). Figure important question to answer is “Where will the light go?” If 1 also illustrates how the diameter of the detector limits the the goal of the design is to get all incident light to fill a detector, Field of View (FOV) of the system, as shown by the approxi- with as few aberrations as possible, then a simple singlet lens, mation for Full Field of View (FFOV): (1.1) D Figure 1: 1 D θ PCX Lens as FOV Limit FF0V = 2 β in Detector Application ƒ Detector (D ) 2 or, by the exact equation: (1.2) / Field of View (β) -1 D FF0V = 2 tan ( 2 ) f 2ƒ For detectors used in scanning systems, the important mea- sure is the Instantaneous Field of View (IFOV), which is the angle subtended by the detector at any instant during scan- ning.