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Proceedings Paper

Isocyanic Acid As A Laser Fuel
Author(s): Mohiuddin A Chowdhury; David J Benard
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Paper Abstract

The potential of isocyanic acid as a fuel for a short-wavelength chemical laser has been investigated. The experiments were performed by carrying out reactions of F atoms with HNCO to obtain NCO radicals and with coreagents of the type RHn.to obtain R atoms. The NCO + R reactions occurred subsequently. The resulting chemiluminescence was observed to detect electronically excited NR* and other significantly emitting species. Eight coreagents, namely CH4, H20, PH3, NH3, HC1, HBr, SiH4 and B2H6, have been studied in this manner. The results indicate that the NCO radicals react with C, 0 and P atoms to generate the corresponding NR* species. Photon yields from these species have been determined. The CN(B X) photon yield was found to be the highest of all of these, however, the absolute value of the CN(B X) photon yield is low which may be due to the inefficiency of the C-atom production from the F + CH4 reaction. Research is being carried out to develop an efficient C-atom source.

Paper Details

Date Published: 27 April 1988
PDF: 10 pages
Proc. SPIE 0875, Short and Ultrashort Wavelength Lasers, (27 April 1988); doi: 10.1117/12.943898
Show Author Affiliations
Mohiuddin A Chowdhury, Rockwell International Science Center (United States)
David J Benard, Rockwell International Science Center (United States)


Published in SPIE Proceedings Vol. 0875:
Short and Ultrashort Wavelength Lasers
Randy C.R. Jones, Editor(s)

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