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Proceedings Paper

Measurements of gain profile in COIL using a tunable laser diode
Author(s): Keiichi Mito; Hiroshi Ohue; Tsutomu Fukuda; Hiroo Fujii; Eiji Kasahara
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Paper Abstract

A new method for small-signal gain measurements which uses a distributed feedback laser diode (DFB laser diode) as a probe laser has been developed. In this method, as the wavelength of the probe laser can be changed continuously, not only the small-signal gain but also the gain profile can be measured. Small-signal gain with the gain profile of a chemical oxygen iodine laser was measured by applying this method. Moreover, from the line width of the observed gain profile, the temperature of the laser medium was estimated.

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: 10.1117/12.144695
Show Author Affiliations
Keiichi Mito, Keio Univ. (Japan)
Hiroshi Ohue, Musashi Institute of Technology (Japan)
Tsutomu Fukuda, Keio Univ. (Japan)
Hiroo Fujii, Kawasaki Heavy Industries, Ltd. (Japan)
Eiji Kasahara, Musashi Institute of Technology (Japan)


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

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