Paper
24 September 1987 Co2 Frequency Stable Amplifier Assessment
James P. Reilly
Author Affiliations +
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.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James P. Reilly "Co2 Frequency Stable Amplifier Assessment", Proc. SPIE 0783, Laser Radar II, (24 September 1987); https://doi.org/10.1117/12.940579
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KEYWORDS
Optical amplifiers

LIDAR

Oscillators

Laser stabilization

Pulsed laser operation

Electrodes

Acoustics

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