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Pakistani Laser Isotope Separation Related Research

By Mark Gorwitz August 2008

Laser Related Research

Conference Papers:

Proposal of a New Cavity Design for High Power Semiconductor Diode Lasers, M.M.S. Guilani, ICALEO 2000, Laser Materials Processing Conference

Progress in Ultrashort Wavelength Solid State Laser, M.M.S. Gualini, ICALEO 2001, Laser Materials Processing Conference

Development of an Ultrashort Wavelength Solid State Laser, M.M.S. Gualini, ICALEO 2002, pt.1, p523-31, 21st International Conference on Applications of Lasers and Electro- Optics

Development of an Ultrashort Wavelength Solid State Laser, M.M.S. Gualini, ICALEO 2002, pt.2, p2033-41, 21st International Conference on Applications of Lasers and Electro-Optics

Phenomena of Gain Saturation in Semiconductor Laser Amplifiers, A. Karim, Proceedings INMIC 2003, December 9, 2003

Design of a Multiline Distributed Feedback Dye Laser, N. , WSEAS International Conference on Optics, Photonics and Imaging, Taiwan, January 14-16, 2004

Journal Articles:

Physical Review A, 1988, Vol. 38, p854-8, I. Ashraf and M.S. Zubairy Natural Linewidths of a Laser with a Saturable Absorber and a Dye Laser

Applied Optics, 2000, Vol. 43, p678-81, N. Khan, Model of a Multiple-Line Distributed Feedback Dye Laser

Applied Physics B, 2004, Vol. 78, p35-8, *N. Khan, Demonstration of a Nine Lines Distributed Feedback Dye Laser using Three Pairs of Pump Beams Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal University of Arts, Science and Technology, Islamabad, , supported by the Ministry of Science and Technology, Pakistan

Applied Physics B, 2004, Vol. 78, p179-81, *N. Khan and **N. Marium Observation of Discrete Supercontinuum Spectra from a Multi-Pulse Pumped Distributed Feedback Dye Laser *Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan ** Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan, supported by the Ministry of Science and Technology, Pakistan

Optics and Laser Technology, 2004, Vol. 36, p87-94, *N. Khan and **N. Marium Design and Experimental Characterization of a DC-Excited CW/Repetitively Pulsed Sealed Off CO2 Laser *Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan ** Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan

The Review of Laser Engineering, 2004, Vol. 32, p277-81, *N. Khan and **N. Marium Influence of Temperature Phase Grating Relaxation Times on the Lasing Characteristics of Q Switched and Mode-Locked Nd:YAG Laser Pumped Distributed Feedback Dye Lasers *Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan ** Department of Electrical and Electronic Engineering, University of Putra, UPM Serdnag, Malaysia, associated with the Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan

Spectroscopic Studies

Conference Papers:

Laser Optogalvanic Spectroscopy of Inert Gases, M.A. , Winter School on Laser Spectroscopy and Applications, ICTP, Trieste, Italy, February 19 – March 2, 2001 Three-Photon, Resonance Enhanced Excitation Spectra of Atomic Lithium, M. Anwar-ul- Haq, M. Riaz and M.A. Baig, 20th International Conference on Atomic Physics, Innsbruk, Austria, July 16-21, 2006

Comparison of Zinc, Cadmium and Mercury Plasma Parameters Produced by Laser Ablation, N.M. Shaikh, S. Hafeez, M.S. Kalhoro and M.A. Baig, 19th Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases, Granada, Spain, July 15-9, 2008

Thesis:

M. Akram, PhD, 1995, Laser Induced Excitations in Alkali Metals), Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

A. Nasir, MSc, 1996, To Develop a Computer Code for Atomic Vapour Laser Isotope Separation, Pakistan Institute of Nuclear Science and technology, Islamabad, Pakistan

Muhammad Shafqat Mahmood, PhD, 1996, High Resolution Photo-Absorption Spectroscopy of Alkali Metals (Na, Rb and Cs), Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Sultan Ahamd, PhD, 1997, Spectroscopic Studies of Ytterbium using Laser and Synchrotron Radiation, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Naveed Khaliq Piracha, PhD, 1997, Two-Photon Optogalvanic Studies of Helium, Neon and Argon, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Abdul Rashid, PhD, 1998, Magneto-Optical Spectroscopy of Thallium, Copper and Silver using Synchrotron Radiation, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Muhammad Aslam, PhD, 2000, Two-Step Laser Excitation Spectra of Neon, Argon and Krypton, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

M. Saleem, PhD, 2006, Laser Assisted Isotopic Studies using Time of Flight Mass Spectrometer, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Journal Articles:

Physical Review A, 1987, Vol. 35, p425-8, S. Mahmood Cooperative Atomic Interactions in a Single-Mode Laser

Journal of Physics B, 1987, Vol. 20, L741-6, *M.A. Baig, **J.P. Connerade and *M. Rafi A New High-Resolution Study of the 3d-Subshell Excitation Spectrum of Chromium * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Blackett Laboratory, Imperial College, London, UK

Journal of Physics B, 1988, Vol. 21, p35-46, *M.A. Baig, *I. Ahmed and **J.P. Connerade Autoionization Resonances in the 5s-Subshell Excitation Spectrum of Indium * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Blackett Laboratory, Imperial College, London, UK

Journal of Physics B, 1988, Vol. 21, L365-9, M.A. Baig High Rydberg States in the Photoabsorption Spectra of Palladium

Physical Review A, 1988, Vol. 37, p1634-41, S. Mahmood Effect of Cooperative Atomic Interactions on the Natural Linewidth of a Single-Mode Laser

Physical Review A, 1988, Vol. 38, p854-8, I. Ashraf Natural Linewidths of a Laser with Saturable Absorber and Dye Laser

Atomic Data and Nuclear Data Tables, 1988, Vol. 40, p365-78, K. Rashid Dirac-Fock Total Energies, Ionization Energies, and Orbital Energies for Uranium Ions UI to UXCII

Journal of Physics B, 1990, Vol. 23, p3489-3909, *M.A. Baig, *A. Rashid, *I. Ahamd, *M. Rafi, **J.P. Connerade and ***J. Hormes High-Resolution Photoabsorption Study of the 3d Spectrum of Chromium * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Blackett Laboratory, Imperial College, London, UK *** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Physical Review A, 1990, Vol. 41, p5179-86, N.A. Ansari Phase-Sensitive Amplification in a Three-Level Atomic System

Journal of Physics B, 1991, Vol. 24, p2295-2304, *M.A. Baig, *A. Rashid, *Z. Iqbal and **J. Hormes High Resolution Absorption Spectrum of Palladium in the 4d Subshell Excitation Region * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1991, Vol. 24, p3933-3942, M.A. Baig, I. Ahmad, A. Rashid, M. Akram and N. Ahmed Autoionization Resonances in the 4s-Subshell Excitation Spectrum of Gallium

Physical Review A, 1991, Vol. 44, R6977, *U. Griesmann, *B. Esser and **M.A. Baig 2 2 Photoionization Cross Section of Lead near the 6s 6p P3/2 Threshold *Physikalisches Instiitut der Universitat Bonn, Bonn, Germany **Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Optics Communications, 1992, Vol. 92, p79-84, N.A. Ansari Theory of a Quantum Beat Laser in a Three-Laser Cascade Atomic System

Journal of Physics B, 1992, Vol. 25, p321-41, *M.A. Baig, *S. Ahamd, **U. Griesmann, ***J.P. Connerade, *S.A. Bhatti and *N. Ahamad Inner Shell and Double Excitation Spectrum of Ytterbium Involving the 4f and 6s Subshells * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany *** Blackett Laboratory, Imperial College, London, UK

Journal of Physics B, 1992, Vol. 25, p1147-53, *M. Nawaz, *W.A. Farooq and **J.P. Connerade On Anomalies in the High Rydberg Spectrum of Sr I *Blackett Laboratory, Imperial College, London, UK, now at Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Blackett Laboratory, Imperial College, London, UK

Journal of Physics B, 1992, Vol. 25, p1393-1404, *U. Griesmann, **M.A. Baig, **S. Ahamd, *W.G. Kaenders, *B. Esser and *J. Hormes Photoionization Cross Sections of Doubly Excited Resonances in Ytterbium * Physikalisches Instiitut der Universitat Bonn, Bonn, Germany ** Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Journal of Physics B, 1992, Vol. 25, p1405-26, *J.P. Connerade, **W.A. Farooq, *H. Ma, **M. Nawaz and *N. Shen Atomic F-Value Measurements of High Rydberg Members by Pulsed Laser-Based Magneto-Optical Spectroscopy * Blackett Laboratory, Imperial College, London, UK **Blackett Laboratory, Imperial College, London, UK, now at Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Measurement Science and Technology, 1992, Vol. 3, p352-5, *L. Ahamd, **P. Dresbach, **W. Dussa, **U. Griesmann, **B. Neff, **J. Hormes and *M.A. Baig A Compact High-Temperature for Magneto-Optical Spectroscopy of Atoms * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan **Blackett Laboratory, Imperial College, London, UK

Journal of Physics B, 1992, Vol. 25, p1719-1734, *M.A. Baig, *S. Ahamd, *M.Akram, **J.P. Connerade and ***J. Hormes The Absorption Spectrum of Tl in the Vacuum Ultraviolet: Single and Double Excitation of 5d, 6s and 6p Electrons * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan **Blackett Laboratory, Imperial College, London, UK *** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1993, Vol. 26, p2273-2288, *M.W.D. Mansfield and **M.A. Baig A High-Resolution Re-Examination of the Yb I 5p-Subshell Absorption Spectrum * Physikalisches Instiitut der Universitat Bonn, Bonn, Germany ** Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Journal of Physics B, 1994, Vol. 27, p389-404, *M.A. Baig, *M.S. Mahmmod, **K. Sommer and **J. Hormes Inner Shell and Double Excitation Spectrum of Sodium Involving 2p and 3s Subshells *Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1994, Vol. 27, p1693-1708, *M.A. Baig, *M. Akram, *S.A. Bhatti, **K. Sommer and **J. Hormes Autoionizing Resonances in the 4d Subshell Excitation Spectrum of Cadmium *Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Physical Review A, 1994, Vol. 49, p3419-25, *I. Ahmad, *M.A. Baig and **J. Hormes Measurement of Oscillator Strengths of the Principal Strengths of Calcium * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1994, Vol. 27, pL351-L357, M.A. Baig, M. Akram, S.A. Bhatti and N. Ahmad Two-Colour Photon Resonance Excitation Spectra of Lithium

Physical Review A, 1994, Vol. 50, 002750, M.A. Baig and S.A. Bhatti High-Resolution Photoabsorption Measurement and Multichannel Quantum-Defect- 5 1 Theory Analysis of the 2p 3s( P1) ns,nd Autoionizing Series of Sodium

Modern Physics Letters B, 1995, Vol. 9, p113-22, Z.A. Experimental Study of the Effect of an Achromatic Half-Wave Plate on the Polarization State Vector of Correlated Two-Photon Radiation from Metastable Atomic Deuterium

Journal of Physics B, 1995, Vol. 28, p1421-32, M.A. Baig, M. Akram, N.K. Piracha, M.S. Mahmmod, S.A. Bhatti and N. Ahmad Resonantly Enhanced ns and nd Rydberg Spectroscopy of Sodium

Journal of Physics B, 1995, Vol. 28, p1777-92, *M.A. Baig, *M.S. Mahmood, *M. Akram and **J. Hormes Inner-Shell and Double-Excitation Spectrum of Rubidium Involving 4p and 5s Subshells * Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physikalisches Instiitut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1995, Vol. 28, p2525-38, N.K. Piracha, B. Suleman, S.H. Khan and M.A. Baig Two-Photon Optogalvanic Rydberg Spectra of Neon

Journal of Physics B, 1995, Vol. 28, p2875-89, S.M. Farooqi, M. Nawaz, S.A. Bhatti, N. Ahmad and M.A. Baig Two-Step Laser Excitation of the Even-Parity Rydberg Levels of Lead

Journal of Physics B, 1996, Vol. 29, pL381-7, M. Akram and M.A. Baig Laser-Induced Dissociation and Ionization of Lithium Vapor

Measurement Science and Technology, 1996, Vol. 7, p1038-1041, S.A. Bhatti, S.M. Farooqi, N. Ahmad, M. Akram and M.A. Baig Spectral Line Shapes in a Thermionic Diode Detector

Journal of Physics B, 1996, Vol. 29, p2963-72, *I. Ahmad, *U. Griesman, *I. Martin, *W. Dussa, **M.A. Baig and *J. Hormes Relative and Absolute Dipole Oscillator Strengths in the 5s/2 1/S/1 to 5snp/1/P/1/Rydberg Series of Cd I *Physics Institute, Bonn University, Germany **Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

Journal of Physics B, 1996, Vol. 29, p2963-2972, *I. Ahamd, **U. Griesmann, ***I. Martin, **W. Dussai, *M.A. Baig and **J. Hormes 2 1 1 Relative and Absolute Dipole Oscillator Strengths in the 5s S1 – 5snp P1 Rydberg Series of Cd I * Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physics Institute, Bonn University, Germany ***Departmento de Quimica Fisica, Universidad de Valladolid, Valladolid, Spain

Journal of Physics B, 1996, Vol. 29, p3871-89, *M.A. Baig, *M.S. Mahmood, *M. Akran and **J. Hormes Inner-Shell and Double Excitation of Caesium Involving 5p and 6s Subshells * Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Physics Institute, Bonn University, Germany

Zeitcshrift fur Physik B, 1997, Vol. 30, p249-53, S.M. Afzal Isotope Shift Studies in the Second Spectrum of Neodymium in UV Region

Journal of Physics B, 1997, Vol. 30, p1151-62, N.K. Piracha, M.A. Baig, S.H. Khan and B. Suleman Two-Photon Optogalvanic Spectra of Argon: Odd Parity Rydberg States

Journal of Physics B, 1997, Vol. 30, p1179-89, S.A. Bhatti, M. Nawaz, S.M. Farooqi, A. Ahad, S. Butt, N. Ahmad and S.M. Baig Three-Step Laser Excitation of the 6p3/2/ns, nd J=1, 2, 3 Autoionizing Rydberg States of Lead

Optics Communications, 1997, Vol. 136, p390-4, M. Akram, R. Ali and A.M. Baig Laser Induced Molecular Dissociation and Ionization of Potassium Vapor

Journal of the Optics Society of America B, 1997, Vol. 14, p731-6, M.A. Baig, R. Ali and S.A. Bhatti High-Resolution Measurement and Multichannel Quantum-Defect Theory Analysis of the Odd-Parity J=1 Series in Mercury

Journal of Physics B, 1997, Vol. 30, p2155-65, M. Ahmad, M.A. Zia, M.A. Baig aand B. Suleman Two-Photon Laser-Optogalvanic Spectroscopy of the Odd-Parity Rydberg Series of Krypton

Journal of Physics B, 1997, Vol. 30, p3107-16, M. Nawaz, S.M. Farooqi, S.A. Bhatti, A. Ahad, S. Butt, N. Ahamd and M.A. Baig Three Step Excitation of the 6p/3/2/ns, nd Autoionizing Rydberg Levels via 6p7, 8f ½[5/2]/2 Levels of Lead

Zeitcshrift fur Physik B, 1997, Vol. 41, p95-100, S.M. Afzal Isotope Shift Studies in the Spectra of Gadolinium in UV Region and Term Shifts in High Even Levels of Gd I

Zeitcshrift fur Physik B, 1997, Vol. 41, p159-63, N. Ahmad, M. Akram, K.P. Gill, S.P. Asdaq, R.M. Akhtar, M. Saleem and M.A. Baig Hyperfine Structure Studies of Tantalum

Zeitschrift fur Physik B, 1997, Vol. 42, p71-6, S.G. Nakhate Term Isotope Shift of High Lying Odd and Even Energy Levels of Nd II

Zeitschrift fur Physik B, 1997, Vol. 42, p165-70, S.A. Ahmad Isotope Shifts in Spectral Lines of Yb+ in 322-615 nm Region and Term Shifts of Odd and Even Parity Energy Levels of Yb II

Journal of Physics B, 1997, vol. 30, p4183-91, S.A. Bhatti, M. Nawaz, S.M. Farooqi, A. Ahad, N. Ahmad and S.M. Baig Three-Step Excitation of the 6p/3/2/ns, nd, ng Autoionizing Rydberg Levels via the 6p6f ½[5/2]/2 Level of Lead

Journal of Physics B, 1997, vol. 30, p5381-99, *M.A. Baig, *M. Hanif, **S.A. Bhatti and ***J. Hormes High-Resolution Photoabsorption Spectrum of Copper in the 3d Subshell Excitation Region *Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan **Applied Physics Division, PINSTECH, Rawalpindi, Pakistan ***Physikalisches Institut der Universitat Bonn, Bonn, Germany

Journal of Physics B, 1998, Vol. 31, p4017-28, M. Ahmad, M.A. Baig and B. Suleman Laser Optogalvanic Spectroscopic Studies of Xenon

Journal of Physics B, 1998, Vol. 21, pL365-9, M.A. Baig High Rydberg States in the Photoabsorption Spectra of Palladium

Optics Communications, 1998, Vol. 156, p., M.A. Baig, M.Yaseen, A. Nadeem, R. Ali and S.A. Bhatti Three-Photon Excitation of Strontium Rydberg Levels

Chemical Physics Letters, 1998, Vol. 296, p403-7, M.A. Baig, M. Yaseen, A. Nadeem, R. Ali and S.A. Bhatti Near-Threshold Photoionization Spectra of Strontium

Fizika A, 1999, Vol. 8, p11-16, M.S. Mahmood Magneto-Optical Absorption Spectrum of Calcium in the Region 202 to 209 nm

The European Physics Journal D, 1999, Vol. 6, p201-9, M.A. Baig, M. Yaseen, R. Ali, A. Nadeem and S.A. Bhatti Molecular Dissociative Sequential Excitation and Ionization of Strontium

Journal of Physics B, 1999, Vol. 32, p953-65, R. Ali, M. Yaseen, A. Nadeem, S.A. Bhatti and S.M. Baig Two-Colour Three-Photon Excitation of the 6snfl, 3F3, and 6snp1P1, 3P1, 2/Rydberg Levels of Yb I

The European Physical Journal D, 1999, Vol. 6, p201-9, M.A. Baig, M. Yaseen, R. Ali, A. Nadeem and S.A. Bhatti Molecular Dissociative Sequential Excitation and Ionization of Strontium Vapor

Journal of Physics B, 1999, Vol. 32, p4361-71, R. Ali, A. Nadeem, M. Yaseen, M. Aslam, S.A. Bhatti and S.M. Baig Three-Colour Four-Photon Resonant Excitation of the Even-Parity Autoionizing Resonances of Yb I

Journal of Physics B, 1999, Vol. 32, p5669-79, A. Nadeem, A. Ahad, S.A. Bhatti, N. Ahmad, R. Ali and S.M. Baig Two-Step Laser Spectroscopy of the Even-Parity Rydberg Levels of Neutral Tin

Optics Communications, 1999, Vol. 172, p37-46, M.A. Baig Observation of 3p5nd J=2, 3 Odd Parity Spectra of Argon and MQDT Analysis in the Discrete and Autoionizing Regions

Journal of Optics B, 2000, Vol. 2, p315-22, *M. Mahmoudi, **H. Tajalli and ***M.S. Zubairy Measurement of the Wigner Function of a Cavity Field via Autler-Townes Spectroscopy *Department of Electronics, Quaidi-i-Azam University, Islamabad, Pakistan **Institute for Advanced Studies in Basic Sciences, Zanjan, ***Department of Physics, University, Tabriz, Iran

Journal of Physics B, 2000, Vol. 33, p3729-41, A. Nadeem, S.A. Bhatti, N. Ahmad and M.A. Baig Two-Step Laser Excitation of 5p/3/2/np nfJ =1 and 2 Autoionizing Levels of Tin

Journal of Physics B, 2000, Vol. 33, p4647-55, M. Hanif, M. Aslam, R. Ali, A. Nadeem, M. Riaz, S.A. Bhatti and S.M. Baig Laser Optogalvanic Spectroscopy of 5p/5/nf J =1-5 Even-Parity Rydberg Levels of Xenon

Journal of Physics, 2001, Vol. 34, p1549-1568, *D. Klar, **M. Aslam, **M.A. Baig, ***K. Udea, *M.W. Ruf and *H. Hotop High-Resolution Measurements and Multichannel Quantum Defect Analysis of the 5 2 Kr(4p ( P1/2)nd’, J =2, 3) Autoionizing Resonances *Fachbereich Physik, Universitat Kaiserlautern, Kaiserlautern, Germany ** Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ***Research Institute for Scientific Measurements, Tohoku University, Sendai, Japan

Journal of Physics, 2001, Vol. 34, p2407-17, A. Nadeem, S.A. Bhatti, N. Ahmad and S.M. Baig Two-Step Laser Excitation of the Even Parity 5p/1/2/np and nfJ =1, 2 Rydberg Levels of Neutral Tin

The European Physics Journal, 2002, Vol. 20, p177-89, M. Yaseen, R. Ali, A. Nadeem, S.A. Bhatti and S.M. Baig Two-Color Three-Photon Resonant Excitation Spectrum of Strontium in the Autoionization Region

Journal of Physics B, 2003, Vol. 36, p4631-9, M.A. Zia, B. Suleman and S.M. Baig Two-Photon Laser Optogalvanic Spectroscopy of the Rydberg States of Mercury by RF Discharge

Optics Communications, 2004, Vol. 233, p323-32, M. Riaz, M. Anwar-ul-Haq, R. Ali and M.A. Baig Resonance Enhanced Multi-Photon Excitation Spectroscopy of Atomic Thallium

The European Physics Journal, 2004, Vol. 28, p323-30, M.A. Zia and S.M. Baig Two-Step Laser Optogalvanic Spectroscopy of the Odd-Parity Rydberg States of Atomic Mercury

Optics Communications, 2004, Vol. 236, p411-17, S. Mahmood, M. Anwar-ul-Haq, M. Riaz and M.A. Baig Temporal Evolution and Variation of Laser Optogalvanic Signals in the Spectra of Inert Gases

Journal of Physics B, 2004, Vol. 37, p1987-2009, *M. Hanif, *M. Aslam, *R. Ali, *S.A. Bhatti, *M.A. Baig, **D. Klar, **M.W. Ruf, ***I.D. Petrov, ***V.L. Sukhorukov and **H. Hotop 5 Experimental and Theoretical Investigation of Odd 5p 1/2nl’ Autoionizing Resonances in Xenon: Energy Dependence of the Reduced Widths *Atomic and Molecular Physics Laboratory, Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan ** Fachbereich Physik, Universitat Kaiserlautern, Kaiserlautern, Germany ***Rostov State University of Transport Communications, Rostov-on-, Russia

Optics Communications, 2005, Vol. 244, p339-47, M. Riaz, S. Mahmood, M. Anwar-ul- Haq and M.A. Baig Two-Step Laser Spectroscopy of the np 2P1/2, 3/2 Rydberg Levels in Thallium

Journal of Physics B, 2005, Vol. 38, pS65-75, M. Hanif, M. Aslam, M. Riaz, S.A. Bhatti and M.A. Biag Laser Optogalvanic Measurements and Line-Shape Analysis of 5p/5/7p and 5p/5/4-5f Autoionizing Resonances in Xenon

Journal of Physics B, 2005, Vol. 38, pS77-86, M. Anwar-ul-Haq, S. Mahmood, M. Riaz, R. Ali and M.A. Baig On the First Ionization Potential of Lithium

Journal of the Optical Society of America B, 2005, Vol. 22, p2702-8, M.A. Zia and M.A. Baig Laser Optogalvanic Spectroscopy of the Even-Parity Rydberg States of Atomic Mercury

Spectrochimica Acta B, 2005, Vol. 60, p1545-51, M.A. Zia and M.A. Baig Two-Photon Laser Optogalvanic Studies of the 6snf3F4 Rydberg States of Mercury by RF Discharges

Review of Scientific Instruments, 2005, Vol. 76, 063105, N. Ahmed, A. Nadeem, M. Nawaz, S.A. Bhatti, M. Iqbal and M.A. Baig Resistively Heated High Temperature Atomic Beam Source

European Physics Journal D: Atomic, Molecular and Optical Physics, 2006, Vol. 38, p277-83, M. Saleem, N. Amim, S. Hussain, M. Rafiq, S. Mahmood and M.A. Baig Alternate Technique for Simultaneous Measurement of Photoionization Cross-Section of Isotopes by TOF Mass Spectrometer

Optics Communications, 2006, Vol. 259, p834-39, A. Nadeem, M. Nawaz, S.A. Bhatti and M.A. Baig Multi-Step Laser Excitation of the Highly Excited States of Zinc

Journal of Physics D, 2006, Vol. 39, p1384-91, N.M. Shaikh, B. Rashid, S. Hafeez, Y. Jamil and M.A. Baig Measurement of Electron Density and Temperature of a Laser-Induced Zinc Plasma

Journal of Applied Physics, 2006, Vol. 100, 073102, N.M. Shaikh, B. Rashid, S. Hafeez, S. Mahmood, M. Saleem and A.M. Baig Diagnostics of Cadmium Plasma Produced by Laser Ablation

Journal of Physics B, 2006, Vol. 39, p2299-2313, S. Mahmood, N. Amim, S.-U. Haq, N.M. Shaikh, S. Hussain and M.A. Baig 5 2 Measurement of Oscillator Strengths of the 2p ( P1/2) ndJ= 2,3 Autoionizing Resonances in Neon Journal of Physics B, 2006, Vol. 39, p3181-96, M. Rafiq, M.A. Kalyar and M.A. Baig Multi-Photon Excitation Spectra of the 3snl (l= 0, 1, 2 and 3) Rydberg States of Magnesium

Physical Review A, 2006, Vol. 74, 052705, S. Hussain, M. Saleem and M.A. Baig Angular Momentum Dependence of Photoionization Cross Sections from the Excited States of Lithium

Journal of Physics D, 2006, Vol. 39, p4377-85, N.M. Shaikh, S. Hafeez, B. Rashid, S. Mahmood and M.A. Baig Optical Emission Studies of the Mercury Plasma Generated by the Fundamental, Second and Third Harmonics of a Nd:YAG Laser

Journal of Physics B, 2006, Vol. 39, p4221-9, M.A. Baig, M. Hanif, M. Aslam and S.A. Bhatti Laser Optogalvanic Observations and MQDT Analysis of mp5nd J=3 Autoionizing Resonances in Ar, Kr and Xe

Optics Communications, 2006, Vol. 263, p267-74, M.Riaz, M. Anwar-ul-Haq, S. Mahmood, N. Amin and M.A. Baig Three-Photon Resonance Enhanced Excitation Spectrum of Atomic Thallium

Journal of Physics D, 2006, Vol. 39, p3788-98, S. Hussain, M. Saleem, N.M. Nek and A.M. Baig A Comparative Study of RF and dc Discharge Based Laser Optogalvanic Spectroscopy of Helium Rydberg States

Journal of Physics B, 2006, Vol. 39, p5025-35, M. Saleem, S. Hussain, M. rafiq and M.A. Baig Simultaneous Measurements of Photoionization Cross-Sections of Lithium Isotopes from 2 3p P1/2,3/2

Journal of Quantitative Spectroscopy and Radiative Transfer, 2006, Vol. 102, p269-76, N. Amim, S. Mahmood, M. Anwar-ul-Haq and M.A. Baig Measurement of the 4d-Photoionization Cross Section via Two-Photon and Two-Step Excitation in Sodium

The European Physics Journal D, 2006, Vol. 40, p331-7, N. Amim, S. Mahmood, M. Saleem, M.A. Kalyar and A.M. Baig Photoionization Cross-Section Measurements from the 2p, 3d and 3s Excited States of Lithium

Journal of Physics B, 2006, Vol. 40, p4317-31, M.A. Kalyar, M. Rafiq and M.A. Baig 1,3 1,3 Experimental Studies of the Oscillator Strengths of the 6s6p P1 – 6snd D2 Rydberg Transitions in Barium

Physical Review A, 2007, Vol. 75, 022710, S. Hussain, M. Saleem and M.A. Baig Measurement of Oscillator Strength Distribution in the Discrete and Continuous Spectrum of Lithium

The European Physics Journal D, 2007, Vol. 44, p9-16, M.A. Baig, S. Mahmood, M.A. Kalyar, M. Rafiq, N. Amim and S.U. Haq Oscillator Strength Measurements of the 3p-nd Rydberg Transitions of Sodium

The European Physics Journal D, 2007, Vol. 44, p371-9, N.M. Shaikh, S. Hafeez, B. Rashid and M.A. Baig Spectroscopic Studies of Laser Induced Aluminum Plasma using Fundamental, Second and Third Harmonics of a Nd:YAG Laser

Physical Review A, 2007, Vol. 76, 012701, S. Hussain, M. Saleem and M.A. Baig Measurment of the Oscillator Strength Distribution in Helium

Journal of Physics B, 2007, Vol. 40, p2291-2305, M. Rafiq, S. Hussain, M. Saleem, M.A. Kalyar and M.A. Baig 1 Measurement of the Photoionization Cross Section from the 3s3p P1 Excited State of Magnesium

Optics Communications, 2007, Vol. 272, p116-23, M. Anwar-ul-Haq, M. Riaz, R. Ali and A.M. Baig Resonantly Enhanced Three-Photon Excitation Spectra of Lithium

The European Physics Journal D, 2007, Vol. 41, p229-36, M.A. Kaylar, S. Mahmood, S.- U. Haq, N. Amim and M.A. Baig 1 3 3 Line Shape Parameters Sudy of the 6p7p ( P1, D1 and P1) Autoionizing Resonances in Barium

Spectrochimica Acta B, 2007, Vol. 62, p1311-20, M. Nek, S. Shaikh, S. Hafeez and M.A. Baig Comparison of Zinc and Cadmium Plasma Parameters Produced by Laser-Ablation

Laser and Particle Beams, 2008, Vol. 26, p41-50, S. Hafeez, N.M. Shaikh and M.A. Baig Spectroscopic Studies of Ca Plasma Generated by the Fundamental, Second and Third Harmonics of a Nd:YAG Laser

Journal of Quantitative Spectroscopy and Radiative Transfer, 2008, Vol. 109, p863-72, N. Amim, S. Mahmood, S.U. Haq, M.A. Kalyar, M. Rafiq and M.A. Baig Measurement of Photoionization Cross Sections from the 4p, 5d and 7s Excited States of Potassium

Journal of Physics B, 2008, Vol. 41, 035004, M.A. Baig, M. Hanif and M. Aslam Laser-Optogalvanic Studies of the 4p5 ns and nd Autoionizing Resonances in Krypton

Physical Review A, 2008, Vol. 77, 062506, M. Saleem, S. Hussain and M.A. Baig Angular Momentum Dependence of Photoionization Cross Section from the Excited States of Lithium

Journal of Applied Physics, 2008, Vol. 103, 083117, S. Hafeez, N.M. Shaikh, B. Rashid and M.A. Baig Plasma Properties of Laser Ablated Strontium

Journal of Physics B, 2008, Vol. 41, 115701, M. Rafiq, M.A. Kalyar and M.A. Baig 2 Photoexcitation Study of the 4s S1/2 State of Atomic Sodium

Laser Isotope Separation Studies

Journal Articles:

Journal of Applied Physics, 2006, Vol. 100, 053111, M. Saleem, S. Hussain, M. Rafiq and M.A. Baig Laser Isotope Separation of Lithium by Two-Step Photoionization

Applied Physics B, 2007, Vol. 87, p723-6, M. Saleem, S. Hussain, M.A. Zia and M.A. Baig An Efficient Pathway for Li6 Isotope Enrichment