SBS-PHASE CONJUGATION FOR THERMAL LENS COMPENSATION IN 100 W AVERAGE POWER SOLID-STATE LASERS
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Published:1994-07
Issue:03
Volume:03
Page:339-345
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ISSN:0218-8635
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Container-title:Journal of Nonlinear Optical Physics & Materials
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language:en
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Short-container-title:J. Nonlinear Optic. Phys. Mat.
Author:
EICHLER H.J.1,
HAASE A.1,
MENZEL R.1
Affiliation:
1. Optisches Institut, Technische Universität Berlin, Straβe des 17, Juni 135, D-10623 Berlin, Germany
Abstract
The thermal lensing effect in high-average power Nd:YAG-laser amplifiers is compensated by stimulated Brillouin scattering in CS 2. Nearly diffraction limited laser beams with average powers above 100 Watts were obtained. The system emitted bursts of 10 to 30 pulses with 40 ns width. The bursts have a repetition rate of 100 Hz and a duration of 100 µs. The beam quality degrades by depolarization effects at the highest pump and output powers. This degradation is avoided using polarization preserving Nd:YALO-laser crystals.
Publisher
World Scientific Pub Co Pte Lt
Subject
Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
3 articles.
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1. Lasers;Photonics;2001
2. SBS mirrors for XeCl lasers with a broad spectrum;Applied Physics B Laser and Optics;1995-07
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