NASA NTRS · 19930048097
High-power diode-pumped solid-state lasers for optical space communications
Abstract
The design and performance of a large diode-pumped multi-stage Nd:YAG laser system for space and airborne applications will be described. The laser operates at a repetition rate of 40 Hz and produces an output either at 1.064 micron or 532 nm with an average power in the Q-switched mode of 30 W at the fundamental and 20 W at the second harmonic wavelength. The output beam is diffraction limited (TEM 00 mode) and can optionally also be operated in a single longitudinal mode. The output energy ranges from 1.25 Joule/pulse in the free lasing mode, 0.75 Joule in a 17 nsec Q-switched pulse, to 0.5 Joules/pulse at 532 nm. The overall electrical efficiency for the Q-switched second harmonic output is 4.
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Koechner, Walter, Burnham, Ralph, Kasinski, Jeff, Bournes, Pat, Dibiase, Don, Le, Khoa, Marshall, Larry, Hays, Alan. 1991-01-01. High-power diode-pumped solid-state lasers for optical space communications. https://ntrs.nasa.gov/citations/19930048097
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