Collisional broadening coefficients for oxygen and water absorption lines used in COIL diagnostics

Steven J. Davis; William J. Kessler; Matthew Bachmann; Phillip A. Mulhall

doi:10.1117/12.308093

12 May 1998 Collisional broadening coefficients for oxygen and water absorption lines used in COIL diagnostics

Steven J. Davis, William J. Kessler, Matthew Bachmann, Phillip A. Mulhall

Proceedings Volume 3268, Gas and Chemical Lasers and Intense Beam Applications; (1998) https://doi.org/10.1117/12.308093
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

For the past several years we have been developing diode laser-based diagnostics for the Chemical Oxygen Iodine Laser (COIL). These systems operate by scanning a tunable diode laser over complete absorption lines in species such as water and oxygen. In this paper we describe measurements of the collisional broadening and shifts of absorption transitions in both water and oxygen. These results have implications for the interpretation of data such as the flow temperature when the diagnostics are used on COIL systems.

Citation Download Citation

Steven J. Davis, William J. Kessler, Matthew Bachmann, and Phillip A. Mulhall "Collisional broadening coefficients for oxygen and water absorption lines used in COIL diagnostics", Proc. SPIE 3268, Gas and Chemical Lasers and Intense Beam Applications, (12 May 1998); https://doi.org/10.1117/12.308093

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