20 September 2004 Advanced Diagnostics for COIL and DOIL
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Proceedings Volume 5448, High-Power Laser Ablation V; (2004) https://doi.org/10.1117/12.548814
Event: High-Power Laser Ablation, 2004, Taos, New Mexico, United States
Abstract
In this paper we discuss the application of sensitive, non-intrusive diagnostic techniques to characterize species in the flow that are critical for chemical oxygen iodine laser (COIL) devices and the electric discharge oxygen iodine laser (DOIL) concept. The key diagnostics include chemiluminescence to detect O2(a,b) and I(2P1/2) and tunable diode laser absorption measurements of I* and temperature. We have characterized variations in O and O2(a) yields with discharge power and oxygen mole fraction. We observe O2(a) yields to increase dramatically with decreasing oxygen mole fraction. We also discuss the application of a novel imaging diagnostic to obtain 2-D images of species concentrations and temperature.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steven J. Davis, Steven J. Davis, W. Terry Rawlins, W. Terry Rawlins, Seonkyung Lee, Seonkyung Lee, Michelle L. Silva, Michelle L. Silva, William J. Kessler, William J. Kessler, Phillip A. Mulhall, Phillip A. Mulhall, } "Advanced Diagnostics for COIL and DOIL", Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); doi: 10.1117/12.548814; https://doi.org/10.1117/12.548814
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