Modeling of the effects of KDP crystal gravity sag on third-harmonic generation

Olivier Lubin; Claude Gouedard

doi:10.1117/12.354194

23 July 1999 Modeling of the effects of KDP crystal gravity sag on third-harmonic generation

Olivier Lubin, Claude Gouedard

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354194
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

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.

Citation Download Citation

Olivier Lubin and Claude Gouedard "Modeling of the effects of KDP crystal gravity sag on third-harmonic generation", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354194

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