Frequency converter development for the National Ignition Facility

被引：27

作者：

Wegner, PJ ^{[1
]}

Auerbach, JM ^{[1
]}

Barker, CE ^{[1
]}

Burkhart, SC ^{[1
]}

Couture, SA ^{[1
]}

DeYoreo, JJ ^{[1
]}

Hibbard, RL ^{[1
]}

Liou, LM ^{[1
]}

Norton, MA ^{[1
]}

Whitman, PA ^{[1
]}

Hackel, LA ^{[1
]}

机构：

[1] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

THIRD INTERNATIONAL CONFERENCE ON SOLID STATE LASERS FOR APPLICATION TO INERTIAL CONFINEMENT FUSION, PTS 1 AND 2 | 1999年 / 3492卷

关键词：

harmonic generation; frequency conversion; nonlinear optics; ICF;

D O I：

10.1117/12.354152

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The design of the National Ignition Facility (NSF) incorporates a type I/type Il third harmonic generator to convert the 1.053-mu m fundamental wavelength of the laser amplifier to a wavelength of 0.351 mu m for target irradiation. To understand and control the tolerances in the converter design, we have developed a comprehensive error budget that accounts for effects that are known to influence conversion efficiency, including variations in amplitude and phase of the incident laser pulse, temporal bandwidth of the incident laser pulse, crystal surface figure and bulk non-uniformities, angular alignment errors, Fresnel losses, polarization errors and crystal temperature variations. The error budget provides specifications for the detailed design of the NIF final optics assembly (FOA) and the fabrication of optical components. Validation is accomplished through both modeling and measurement, including full-scale Beamlet tests of a 37-cm aperture frequency converter in a NIF prototype final optics cell. The prototype cell incorporates full-perimeter clamping to support the crystals, and resides in a vacuum environment as per the NIF design.

引用

页码：392 / 405

页数：14

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