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Proceedings Paper

Kinetics of oxygen discharges and I(2P1/2) excitation for EOIL
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Paper Abstract

The electric oxygen-iodine laser (EOIL) concept uses an electric discharge plasma to generate an effluent flow containing singlet oxygen, O2(a1&Dgr;), and atomic oxygen, O, which react with I2 to excite the atomic iodine laser transition at 1.315 &mgr;m. This chemically rich system has unique characteristics, whose understanding requires systematic chemical kinetics investigation under carefully selected conditions to isolate the key reaction mechanisms. We describe a series of reacting flow measurements on the reactions of discharge-excited active-O2 with I2, using a comprehensive suite of optical emission and absorption diagnostics to monitor the absolute concentrations of O2(a1&Dgr;), O2(b1summation), O(3P), O3, I2, I(2P3/2), I(2P1/2), small-signal gain, and temperature. These multispecies measurements help to constrain the kinetics model of the system, and quantify the chemical loss mechanisms for I(2P1/2).

Paper Details

Date Published: 14 February 2007
PDF: 12 pages
Proc. SPIE 6454, High Energy/Average Power Lasers and Intense Beam Applications, 64540H (14 February 2007); doi: 10.1117/12.707137
Show Author Affiliations
Wilson T. Rawlins, Physical Sciences Inc. (United States)
Seonkyung Lee, Physical Sciences Inc. (United States)
Steven J. Davis, Physical Sciences Inc. (United States)


Published in SPIE Proceedings Vol. 6454:
High Energy/Average Power Lasers and Intense Beam Applications
Steven J. Davis; Michael C. Heaven; J. Thomas Schriempf, Editor(s)

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