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Proceedings Paper

Modeling of the effects of KDP crystal gravity sag on third-harmonic generation
Author(s): Olivier Lubin; Claude Gouedard
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Paper Abstract

The deformation and the stresses of KDP frequency converters due to the gravitational sag can affect the frequency conversion by causing a departure from the phase-matching condition: the deformation changes the phase-matching direction and the stresses generate spatial variations in the index of refraction through the stress-optic effect. In order to predict the influence of these effects on the third harmonic conversion efficiency of the future Laser MegaJoule, we have carried out coupled mechanical-optical calculations. This paper presents a description of the modeling and the main results we obtained.

Paper Details

Date Published: 23 July 1999
PDF: 7 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354194
Show Author Affiliations
Olivier Lubin, Ctr. d'Etudes de Limeil-Valenton/CEA (France)
Claude Gouedard, Ctr. d'Etudes de Limeil-Valenton/CEA (France)


Published in SPIE Proceedings Vol. 3492:
Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion
W. Howard Lowdermilk, Editor(s)

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