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Proceedings Paper

Spectroscopic studies of the NCl3 + H reaction sequence as a candidate laser system
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Paper Abstract

In this paper we present results from a spectroscopic and kinetic study of the reaction sequence of NCl3 + H that produces NCl(a1Δ). Using sensitive optical emission diagnostics, we have observed both NCl(a) and (b) produced by this reaction. Upon addition of HI to the flow, the reaction of H + HI produced iodine atoms that were pumped to the excited I(2P1/2) state, and we observed strong emission from the I atom 2P1/22P3/2 transition at 1.315 μm. We also used a sensitive diode laser spectrometer to probe the I atom transition and observed transfer of population from ground state (2P3/2) to the excited state (2P1/2) with a concomitant reduction in the measured absorption. We interpret this observation as an approach to optical transparency.

Paper Details

Date Published: 11 May 2004
PDF: 7 pages
Proc. SPIE 5334, Gas and Chemical Lasers, and Applications III, (11 May 2004); doi: 10.1117/12.537743
Show Author Affiliations
A.J. Ray Hunter, Physical Sciences Inc. (United States)
William J. Kessler, 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. 5334:
Gas and Chemical Lasers, and Applications III
Steven J. Davis; Michael C. Heaven, Editor(s)

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