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Proceedings Paper

Repetitively Pulsed Chemical Laser
Author(s): R. Aprahamian
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Paper Abstract

Work dealing with the development of a repetitively pulsed, high average power DF chemical laser is discussed. Primary emphasis is on demonstration of a scalable fuel/diluent feed system which allows fuel combustion to be extinguished between pulses. A valving concept is described where fluorine and diluent flow through the cavity on a steady-state basis and deuterium flow occurs through a valve which opens only when the lasing mixture is filling the cavity. A flow device utilizing this valving concept has been built and tested. Flame-out was achieved at 50 pps using fuel mixtures consisting of 70% He/20% F2 /8% D2 /1-2% 02 with fuel-to-purge ratios of 1:1.

Paper Details

Date Published: 17 August 1978
PDF: 9 pages
Proc. SPIE 0138, Advances in Laser Technology III: Emphasizing Gaseous Lasers, (17 August 1978); doi: 10.1117/12.956218
Show Author Affiliations
R. Aprahamian, TRW Defense and Space Systems Group (United States)


Published in SPIE Proceedings Vol. 0138:
Advances in Laser Technology III: Emphasizing Gaseous Lasers
David Finkleman; Joseph Stregack, Editor(s)

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