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Proceedings Paper

Design and Installation of a static wavefront correction optic on the HELEN laser
Author(s): Thomas H. Bett; N. W. Hopps; Michael C. Rushford; Jerald A. Britten; Curly R. Hoaglan; Sham N. Dixit
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Paper 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.

Paper Details

Date Published: 6 June 2002
PDF: 8 pages
Proc. SPIE 4629, Laser Resonators and Beam Control V, (6 June 2002); doi: 10.1117/12.469497
Show Author Affiliations
Thomas H. Bett, AWE Plc. (United Kingdom)
N. W. Hopps, AWE Plc. (United Kingdom)
Michael C. Rushford, Lawrence Livermore National Lab. (United States)
Jerald A. Britten, Lawrence Livermore National Lab. (United States)
Curly R. Hoaglan, Lawrence Livermore National Lab. (United States)
Sham N. Dixit, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 4629:
Laser Resonators and Beam Control V
Alexis V. Kudryashov, Editor(s)

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