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Proceedings Paper

Application of optomechanical modulators for IR solid state laser schemes
Author(s): A. P. Fefelov; S. I. Khomenko; B. A. Mikhailov; S. K. Pak; Ivan Alexandrov Shcherbakov
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Paper Abstract

The design of frustrated total internal reflection (FTIR) shutters for near and middle infrared lasers is reported. The high temporal rate of the shutters made it possible to obtain Q-switched pulses of neodymium lasers with an efficiency close to that of free-running regime. Experiments with pulsed repetition Nd-glass laser show the dynamic apodization of the laser aperture carried out by FTIR shutter improved laser beam divergence. In the middle infrared spectral range, FTIR shutters made of fused quartz and yttrium-aluminum garnet were used. Q-switch of Cr:Tm:Ho:YSGG, Cr:Er:YSGG and Er:YAG lasers was obtained. The experiments have shown the efficiency of these lasers can be further enhanced with some modification of the shutters.

Paper Details

Date Published: 1 June 1992
PDF: 7 pages
Proc. SPIE 1625, Design, Modeling, and Control of Laser Beam Optics, (1 June 1992); doi: 10.1117/12.58941
Show Author Affiliations
A. P. Fefelov, General Physics Institute (Russia)
S. I. Khomenko, General Physics Institute (Russia)
B. A. Mikhailov, General Physics Institute (Russia)
S. K. Pak, General Physics Institute (Russia)
Ivan Alexandrov Shcherbakov, General Physics Institute (Russia)

Published in SPIE Proceedings Vol. 1625:
Design, Modeling, and Control of Laser Beam Optics
Youssef Kohanzadeh; George N. Lawrence; John G. McCoy; Hugo Weichel, Editor(s)

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