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Proceedings Paper

Long-Pulse KrF Amplifier As An Internal Confinement Fusion (ICF) Driver
Author(s): R. S. Bradford Jr.; J. A. Betts; R. Aprahamian
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Paper Abstract

Using a master oscillator-power amplifier (MOPA) configuration, 100J has been obtained from a 5 k optical volume KrF amplifier pumped at 300 kW/cm3 peak at the end of a 500 nsec pulse. A normalized input flux of 0.4 (I/Isat) was required to reduce amplified spontaneous emission (ASE) to one half the free running value. A peak extraction efficiency of 0.46 was obtained under these conditions at 1 atm total pressure. A kinetics model has been developed and refined to give excellent agreement with high and low pump regimes. An integrated kinetics and pulse propagation code has also been developed and agrees well with experiment.

Paper Details

Date Published: 15 September 1981
PDF: 8 pages
Proc. SPIE 0270, High Power Lasers and Applications, (15 September 1981); doi: 10.1117/12.931738
Show Author Affiliations
R. S. Bradford Jr., TRW Defense and Space Systems (United States)
J. A. Betts, TRW Defense and Space Systems (United States)
R. Aprahamian, TRW Defense and Space Systems (United States)

Published in SPIE Proceedings Vol. 0270:
High Power Lasers and Applications
Charles C. Tang, Editor(s)

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