Birefringence compensation in single solid-state rods

Various methods for compensating birefringence depolarization in solid-state rods are theoretically and experimentally analyzed and compared. Gaussian and flat top beam profiles are investigated. The efficiency in depolarization loss reduction using different techniques is discussed in terms of beam...

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Bibliographic Details
Published in:Applied physics letters 2000-03, Vol.76 (12), p.1513-1515
Main Authors: Fluck, R., Hermann, M. R., Hackel, L. A.
Format: Article
Language:English
Subjects:
BEAM PROFILES
BIREFRINGENCE
DEPOLARIZATION
EFFICIENCY
ENGINEERING
EXPERIMENTAL DATA
GARNETS
NEODYMIUM LASERS
RODS
THEORETICAL DATA
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Summary:Various methods for compensating birefringence depolarization in solid-state rods are theoretically and experimentally analyzed and compared. Gaussian and flat top beam profiles are investigated. The efficiency in depolarization loss reduction using different techniques is discussed in terms of beam profile, rod fill factor, and thermal heat load. In Nd:yttrium-aluminum-garnet, the depolarization loss can be efficiently reduced below 5% with a compensating quarter-waveplate, up to 20 W heat load for a flat top beam and up to 70 W for a gaussian beam. (c) 2000 American Institute of Physics.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.126080