Professor Amin Dharamsi’s Group Publications Related to:
Wavelength Modulation Spectroscopy

Note: Coauthors Audra Bullock, Patrick Shea, Ying Lu, Jim Barrington, Colleen Fitzgerald and Andy Jackson were graduate students in Dr. Dharamsi's group at Old Dominion University. Brian Seavey is a High School Student who participated in a summer research project.

A. M. Bullock and A. N. Dharamsi, “Investigation of Interference between Absorption Lines by Wavelength Modulation Spectroscopy”, Journal of Applied Physics; 84, 6929, 1998.
Abstract

A. N. Dharamsi, A. M. Bullock, and P. C. Shea, “Reduction of Fabry-Perot Fringing in Wavelength Modulation Spectroscopy Experiments”, Applied Physics Letters; 72,3118-3120, 1998.
Abstract

A. M. Bullock, A. N. Dharamsi, W. P. Chu and L. R. Poole, “Measurements of Absorption Line Wing Structure by Modulation Spectroscopy”, Applied Physics Letters; 70, 1195-1197, 1997. 
Abstract

A. N. Dharamsi and A. M. Bullock, “Measurements of Density Fluctuations by Modulation Spectroscopy,” Applied Physics Letters;69, pp. 22-24,1996.
Abstract

A. N. Dharamsi and A. M. Bullock, “Application of Wavelength Modulation Spectroscopy in Resolution of Pressure and Modulation Broadened Spectra”, Applied Physics B, Lasers and Optics; 63, 283-292,1996.
Abstract

A. N. Dharamsi and Y. Lu, “Sensitive Density-Fluctuation Measurements Using Wavelength - Modulation Spectroscopy with High-Order-Harmonic Detection,” Applied Physics B, Lasers and Optics, 62, 273-278, 1996.
Abstract

A. N. Dharamsi, “A Theory of Modulation Spectroscopy with Applications of Higher Harmonic Detection,” Journal of Physics D, 28, 540-549, 1996.
Abstract

A. N. Dharamsi and Y. Lu, “Density Fluctuation Measurements Using Wavelength Modulation Harmonic Detection”, Applied Physics B, Lasers and Optics; 62, 273-278, 1996.
Abstract

A. N. Dharamsi and Y. Lu, "High-Resolution Spectroscopy Using High-Order Derivative Techniques," Applied Physics Letters; 65,2257-2259,1994.
Abstract

A. M. Khan, J. M. Barrington and A. N. Dharamsi, "Sensitive Detection of Molecular Species by Modulation Techniques: A Quantitative Measure of the Information Content in Spectroscopy"; Methods of Ultrasensitive Detection (Photonics West, LSAE2002, Symposium LA06, Conference 4634), January 21, 2002  San Jose, CA

J. M. Barrington, A. M. Bullock and A. N. Dharamsi, “Precise Absorption Line Feature Measurements with Higher Harmonic Detection,” 2001 Conference on Lasers and Electro-Optics, Baltimore, MD, Paper CThG, Technical Digest, pp. 407-409, May 10, 2001.

J. M Barrington and A. N. Dharamsi, “Sensitive Non-Intrusive Sensing by Modulation Spectroscopy with Diode Lasers,” Photonics West, January 2001 Conference 4285A January 2001 Proceedings of SPIE Vol. 4285A Laser Diodes and LEDs in Industrial, Measurement, Imaging and Sensor Applications III, Paper number 4285A-08, San Jose, CA, January 2001.

G. J. Koch, A. L. Cook, C. M. Fitzgerald and A. N. Dharamsi, “Frequency Stabilization of a Diode Laser to Absorption Lines of Water Vapor in the 944-nm Wavelength Region,” Optical Engineering, Vol. 40, April 2001

A. .M. Bullock, J. M. Barrington, C. M. Fitzgerald, B. Seavey and A. N. Dharamsi “Wavelength modulation of semiconductor lasers for absorption spectroscopy employing harmonic detection”, Photonics West 2000

G. J. Koch, R. E. Davis, C. M. Fitzgerald, A. N. Dharamsi and M. Petros, “Multifunction Lidar: Measurement of Wind, Water Vapor, and Aerosols with an Eye-Safe Coherent Lidar,” 20^th International Laser Radar Conference, Palais des Congres de Vichy, France, 2000 Atmospheric Boundary Layer Dynamics and Pollution, July 2000.

A. M. Bullock and A. N. Dharamsi, “Novel Method for Measuring Dicke Narrowing by Wavelength Modulation Spectroscopy”, Technical Digest, Quantum Electronics and Laser Science Conference, QELS’99, p. 134, Baltimore, MD, May 1999.

A. N. Dharamsi, A. M. Bullock, and P. C. Shea, “Sensitivity of WM Spectroscopy: Reduction of Fabry-Perot Etaloning”, LASE ‘98, Society of Photo-Instrumentation Engineers, San Jose, CA, January 30, 1998.

A. N. Dharamsi, A. M. Bullock, and P. C. Shea, “Sensitive Absorption Line Characterization and Fabry-Perot Fringing Reduction in Modulation Spectroscopy”, Photonics West (Lase ‘98), San Jose, CA, January 30, 1998, Proc. SPIE, The International Society of Optical Engineering, Vol. 3265, “Solid State Lasers VII, pp. 171-179, January 1998.

A.M. Bullock and A. N. Dharamsi, “Resolution of Overlapping Lines by Wavelength Modulation Spectroscopy Using Semiconductor Lasers,” Proceedings of the IEEE Lasers and Electrooptic Society Meeting, LEOS 97, 550-551, San Francisco, CA, November 13, 1997.

INVITED: A. N. Dharamsi and A. M. Bullock, “Spectroscopy with Diode Lasers: Applications in Spectroscopy and Non-intrusive Measurements”, Proceedings of the Society of Photo-instrumentation Engineers, Volume 3000, “Laser Diode and LED Applications III”, pp. 112-122, 1997.

A. M. Bullock and A. N. Dharamsi, “Diode Laser Sensor for Resolution of Congested Spectra by Modulation Spectroscopy”, IEEE Lasers and Electro-Optics Society Meeting, conference proceedings, LEOS ‘96, Vol. 1, pp. 67-68, 1996.

A. N. Dharamsi and A. M. Bullock (Invited), “Diode Laser Modulation Spectroscopy and its Applications”, Proc. International Conference on Lasers '96, pp. 312-318; Eds. V. J. Corcoran and T. A. Goldman, International Conference on Lasers '96, Portland, Oregon, December, 1996.

A. N. Dharamsi, Y. Lu, and A. M. Bullock, “Effects of Amplitude and Frequency Modulation with Diode Lasers Using Higher Harmonic Detection,” Proc. IEEE Lasers and Electro-Optics Society, Vol. 2, pp. 334-335, San Francisco, California, October 1995.

A. N. Dharamsi and Y. Lu, "Some Application of High-Order Derivative Spectroscopy with Tunable Diode Lasers," International Conference on Lasers '94, Quebec City, Quebec, Canada, December 1994.

A. N. Dharamsi, A. D. Jackson, and Y. Lu, "High-Order Derivative Spectroscopy of Rovibronic Transitions Using Tunable Diode Lasers," Proc. of the 7th Annual Meeting of the IEEE Lasers and Electro-Optic Society (LEOS '94), Vol. 1, pp. 97-98, Paper #SL1.2, October 1994.

A. D. Jackson, A. N. Dharamsi, and S. K. Chaturvedi, "Wavelength Modulation Spectroscopy of Oxygen A Band Transitions for Non-Intrusive Concentration Measurements," Topical Meeting on Laser Applications to Chemical Analysis of the Optical Society of America, Vol. 5, pp. 43-46, Jackson Hole, Wyoming, March 1994.

A. N. Dharamsi, A. D. Jackson, and Y. Lu, "Spectroscopy of Rovibronic Transitions Using Tunable Diode Lasers," LEOS '94 Advance Program, p. 21, Boston, MA, October 1994.

A. N. Dharamsi, A. M. Bullock, and P. C. Shea, “Sensitivity of WM Spectroscopy: Reduction of Fabry-Perot Etaloning”, LASE ‘98, Society of Photo-Instrumentation Engineers, San Jose, CA, January 30, 1998.

A. M. Bullock and A. N. Dharamsi, “Resolution of Overlapping Lines by Wavelength Modulation Spectroscopy Using Semiconductor Lasers,” Proceedings of the IEEE Lasers and Electrooptic Society Meeting, LEOS 97, pp. 550-551, San Francisco, CA, November 13, 1997.

INVITED: A. N. Dharamsi and A. M. Bullock, “Modulation Spectroscopy with Diode Lasers: Applications in Spectroscopy and Non-Intrusive Measurements”, Proc. SPIE, The International Society for Optical Engineering, Vol. 3000, “Laser Diode and LED Applications III”, pp. 112-122, January 1997.

INVITED: A. N. Dharamsi and A. M. Bullock, “Diode Laser Modulation Spectroscopy”, Proceedings of the International Conference on Lasers ‘96, Portland, OR, December 1996.

A. M. Bullock and A. N. Dharamsi, “Diode Laser Sensor for Resolution of Congested Spectra”, Conference Proceedings, IEEE LEOS 96, Vol. 1, pp. 67-68, November 1996.

A. N. Dharamsi, Y. Lu, and A. M. Bullock, “Effects of Amplitude and Frequency Modulation with Diode Lasers,” Eight Annual Meeting of the IEEE Lasers and Electro-Optic Society, San Francisco, California, November 1995.

A. N. Dharamsi, "Non-Intrusive Measurements with Diode Lasers," Graduate Seminar Series, Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, VA November 1994.

A. N. Dharamsi, A. D. Jackson, and Y. Lu, "High-Order Derivative Spectroscopy of Rovibronic Transitions Using Tunable Diode Lasers," Proc. of the 7th Annual Meeting of the IEEE Lasers and Electro-Optic Society (LEOS '94), Vol. 1, pp. 97-98, paper #SL1.2, October 1994.

INVITED TALK: A. N. Dharamsi, Y. Lu, and A. D. Jackson, "Applications of Wavelength Modulation Spectroscopy," Indian Institute of Technology, New Delhi, India, July 1994.

INVITED PAPER: A. N. Dharamsi, A. D. Jackson, and Y. Lu, "Derivative Spectroscopy Using Tunable Diode Lasers," Proc. Conference on Emerging Optoelectronic Technology (CEOT) '94, pp. 425-426, Indian Institute of Science, Bangalore, India, July 1994.

A. D. Jackson, A. N. Dharamsi, and S. K. Chaturvedi, "Wavelength Modulation Spectroscopy of Oxygen A Band Transitions for Non-Intrusive Concentration Measurements," Laser Applications To Chemical Analysis of the Optical Society of America, Vol. 5, pp. 43-46, Jackson Hole, Wyoming, March 1994.

A. N. Dharamsi, S. Jong and A. B. Hassam, "Excited State Absorption Measurements in Some Scintillator Dye Solution," 1986.

A. N. Dharamsi, A. M. Bullock, and P. C. Shea, “Measurements of Oxygen A-Band Lines by Modulation Spectroscopy”, NASA SAGE III Science Meeting, Hampton University, Virginia, March 27, 1998.

INVITED: A. N. Dharamsi, “Modulation Spectroscopy with Tunable Diode Lasers,” Center for High Technology Materials, University of New Mexico, Albuquerque, New Mexico, August 1995.