Next generation diagnostics for COIL: new approaches for measuring critical parameters

Steven J. Davis; W. Terry Rawlins; William J. Kessler; Seonkyung Lee; Amy J. R. Hunter; Michelle L. Silva

doi:10.1117/12.610962

23 March 2005 Next generation diagnostics for COIL: new approaches for measuring critical parameters

Steven J. Davis, W. Terry Rawlins, William J. Kessler, Seonkyung Lee, Amy J. R. Hunter, Michelle L. Silva

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.610962
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

In this paper we discuss several sensitive diagnostics that have specifically developed for application to COIL and other iodine laser concepts such as AGIL and DOIL. We briefly cover the history of some important diagnostics including recently-developed diode laser sensors for a variety of parameters including: water vapor concentration, singlet oxygen yield, small signal gain, and translational temperature. We also discuss new developments and extensions of prior capabilities including: an ultra-sensitive diagnostic for I₂ dissociation, a new monitor for singlet oxygen yield, and a novel diode laser-based imaging system for simultaneous, multipoint spatial distributions of species concentration and temperature. Finally, we mention how these diagnostics have bee successfully applied to the emerging DOIL technology.

Citation Download Citation

Steven J. Davis, W. Terry Rawlins, William J. Kessler, Seonkyung Lee, Amy J. R. Hunter, and Michelle L. Silva "Next generation diagnostics for COIL: new approaches for measuring critical parameters", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.610962

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