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Proceedings Paper

Polarization effects in active Fresnel rhomb zig-zag slab amplifier
Author(s): R. G. Bikmatov; V. M. Chernyak; John T. Hunt; L. P. Ignat'ev; V. G. Kuznetsov; Kenneth R. Manes; Michael I. Pergament; Ruslan V. Smirnov; Victor I. Sokolov
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Paper Abstract

The concept to use a slab as active element, working in zig- zag geometry, and also as Fresnel rhomb, seems to be rather attractive. However, in this case different depolarization effects in active element are of crucial importance. We have carrier out the estimation of depolarization effects arising both due to mechanical loading of an active element at its fastening and due to thermooptical distortions. To check up these rigid requirements to depolarization (0.1% - 0.01%) careful measurements of depolarization effects and their sources are being carried out. Mechanical loading gives one of the main contributions in depolarization at fastening of active element. Using model experiments with glass Fresnel rhomb under mechanical loading we have measured depolarization effects. It is proposed to use additional glass plate to compensate beam depolarization in zig-zag slab. The received results allow to expect successful use of the slab amplifier as a Fresnel rhomb providing rather high quality of optical materials of active element.

Paper Details

Date Published: 8 December 1997
PDF: 7 pages
Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); doi: 10.1117/12.294300
Show Author Affiliations
R. G. Bikmatov, Troitsk Institute for Innovation & Fusion Research (Russia)
V. M. Chernyak, Troitsk Institute for Innovation & Fusion Research (Russia)
John T. Hunt, Lawrence Livermore National Lab. (United States)
L. P. Ignat'ev, Troitsk Institute for Innovation & Fusion Research (Russia)
V. G. Kuznetsov, Troitsk Institute for Innovation & Fusion Research (Russia)
Kenneth R. Manes, Lawrence Livermore National Lab. (United States)
Michael I. Pergament, Troitsk Institute for Innovation & Fusion Research (Russia)
Ruslan V. Smirnov, Troitsk Institute for Innovation & Fusion Research (Russia)
Victor I. Sokolov, Troitsk Institute for Innovation & Fusion Research (Russia)


Published in SPIE Proceedings Vol. 3047:
Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference
Michel L. Andre, Editor(s)

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