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Proceedings Paper

A study on an all gas-phase iodine laser based on NCl3 reaction system
Author(s): Taizo Masuda; Tomonari Nakamura; Masamori Endo; Taro Uchiyama
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Paper Abstract

Numerical simulation and flow-tube experiments are conducted to understand the chemistry of the amine based all gas-phase iodine laser (AGIL). The numerical simulation code developed is a one-dimensional, multiple-leaky-stream-tubes kinetics code combined with all the known rate equations to date. The validity of the code is confirmed to compare the calculated results with experimental results reported elsewhere. We find that the key reactions to achieve positive gain are the deactivation reaction of excited iodine atoms by chlorine atoms and the self annihilation reactions of NCl(1Δ). The order of the injection nozzles is crucial to suppress these reactions. It is shown that positive gain is possible with optimized flow rates and nozzle positions. Flow reactor experiments are conducted based on these calculations, and small signal gain is measured. The results are compared with the calculations.

Paper Details

Date Published: 21 February 2008
PDF: 11 pages
Proc. SPIE 6874, High Energy/Average Power Lasers and Intense Beam Applications II, 687409 (21 February 2008); doi: 10.1117/12.762084
Show Author Affiliations
Taizo Masuda, Keio Univ. (Japan)
Tomonari Nakamura, Tokai Univ. (Japan)
Masamori Endo, Tokai Univ. (Japan)
Taro Uchiyama, Keio Univ. (Japan)

Published in SPIE Proceedings Vol. 6874:
High Energy/Average Power Lasers and Intense Beam Applications II
Steven J. Davis; Michael C. Heaven; J. Thomas Schriempf, Editor(s)

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