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Proceedings Paper

Co2 Frequency Stable Amplifier Assessment
Author(s): James P. Reilly
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Paper Abstract

High power laser radar amplifier design issues are addressed. Laser radar oscillators must be short length and/or low pressure to obtain single longitudinal and single transverse mode (hence, single frequency) operation. Injection initiated oscillators can be used to obtain higher powers, but waveform diversity and frequency stability are limited. Master oscillator power amplifier (MOPA) configurations overcome these limitations. This paper discusses frequency stability issues and overall design alternatives for these power amplifiers. The discussion includes frequency stability calculations, allowable gas density power spectral density fluctuations, allowable electron density fluctuations, intrapulse expansion wave effects, discharge technique selection, alternative flow systems, and laser induced medium perturbation effects.

Paper Details

Date Published: 24 September 1987
PDF: 9 pages
Proc. SPIE 0783, Laser Radar II, (24 September 1987); doi: 10.1117/12.940579
Show Author Affiliations
James P. Reilly, W.J.Schafer Associates, Inc. (United States)

Published in SPIE Proceedings Vol. 0783:
Laser Radar II
Richard J. Becherer; Robert C. Harney, Editor(s)

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