Design and Installation of a static wavefront correction optic on the HELEN laser

Thomas H. Bett; N. W. Hopps; Michael C. Rushford; Jerald A. Britten; Curly R. Hoaglan; Sham N. Dixit

doi:10.1117/12.469497

6 June 2002 Design and Installation of a static wavefront correction optic on the HELEN laser

Thomas H. Bett, N. W. Hopps, Michael C. Rushford, Jerald A. Britten, Curly R. Hoaglan, Sham N. Dixit

Proceedings Volume 4629, Laser Resonators and Beam Control V; (2002) https://doi.org/10.1117/12.469497
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

This report discusses the design and installation of a static wavefront correction optic on the HELEN laser at AWE. The element is designed to compensate for static phase errors and prompt thermally induced aberrations on the backlighter beam of the laser. Partial compensation of cooling effects is also included in the design. A phase element has been fabricated using a recently developed novel wet etch figuring tool at LLNL. Performance evaluation through comparison of the focal spot pre- and post-installation is provided. The element has been tested on the laser to produce a 2x reduction in focal spot size.

Citation Download Citation

Thomas H. Bett, N. W. Hopps, Michael C. Rushford, Jerald A. Britten, Curly R. Hoaglan, and Sham N. Dixit "Design and Installation of a static wavefront correction optic on the HELEN laser", Proc. SPIE 4629, Laser Resonators and Beam Control V, (6 June 2002); https://doi.org/10.1117/12.469497

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