Polarization effects in active Fresnel rhomb zig-zag slab amplifier

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

doi:10.1117/12.294300

8 December 1997 Polarization effects in active Fresnel rhomb zig-zag slab amplifier

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

Author Affiliations +

Proceedings Volume 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference; (1997) https://doi.org/10.1117/12.294300
Event: Second International Conference on Solid State Lasers for Application to ICF, 1996, Paris, France

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.

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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, and Victor I. Sokolov "Polarization effects in active Fresnel rhomb zig-zag slab amplifier", Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); https://doi.org/10.1117/12.294300

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