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Proceedings Paper

Demonstration of a repetitively pulsed magnetically gain-switched chemical oxygen iodine laser
Author(s): Gordon D. Hager; D. Kopf; David N. Plummer; T. Salsich; Peter G. Crowell
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Paper Abstract

Recently, modulation of the output from a chemical oxygen iodine laser (COIL) has been demonstrated by applying a pulsed magnetic field directly to the laser cavity. A peak-to- average power enhancement of 3.2 was obtained. The rate of change of the magnetic field in these experiments, however, was relatively slow, 0.5 gauss/microsecond(s) . In this article, we report the demonstration of a fast field switching technique (325 gauss/microsecond(s) ), in which switching occurs faster than the laser mode can build up. With this technique, we have achieved a peak- to-average power enhancement of 12.7 and achieved true gain-switched operation.

Paper Details

Date Published: 4 May 1993
PDF: 4 pages
Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); doi: 10.1117/12.144696
Show Author Affiliations
Gordon D. Hager, Air Force Phillips Lab. (United States)
D. Kopf, Air Force Phillips Lab. (United States)
David N. Plummer, R and D Associates (United States)
T. Salsich, R and D Associates (United States)
Peter G. Crowell, R and D Associates (United States)


Published in SPIE Proceedings Vol. 1810:
9th International Symposium on Gas Flow and Chemical Lasers

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