Paper
19 May 1998 Vector phase conjugation for beam combining in a pulsed Nd:YAG laser system
Hubert Becht
Author Affiliations +
Abstract
Phase- and polarization conjugation has been realized by phase locking and phase conjugating two linearly polarized components of a depolarized beam by means of stimulated Brillouin scattering in nitrogen at 75 bar. Hereby, depolarization losses of an oscillator-amplifier laser system have been reduced from 36% without polarization conjugation to 7.1% with vector phase conjugation. An application in a novel oscillator double- amplifier laser system is presented where the amplifiers are operated in a parallel arrangement. An average of 81 percent of the total optical energy generated in the system has been transferred into the output beam with a beam quality of M2 < 1.1 and excellent pointing stability.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hubert Becht "Vector phase conjugation for beam combining in a pulsed Nd:YAG laser system", Proc. SPIE 3263, Nonlinear Optical Engineering, (19 May 1998); https://doi.org/10.1117/12.308358
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KEYWORDS
Phase conjugation

Oscillators

Optical amplifiers

Mode locking

Laser systems engineering

Laser scattering

Nd:YAG lasers

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