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Proceedings Paper

Development of static phase control elements for high-power solid state lasers
Author(s): Thomas H. Bett; Andrew R. Barnes; N. W. Hopps; Mohammad R. Taghizadeh; Andrew J. Waddie; P. Rudman; M. Thompson; Michael C. Rushford; Jerald A. Britten; Curly R. Hoaglan; Sham N. Dixit
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Paper Abstract

We describe development of passive phase correction elements to compensate for static phase errors and prompt thermally induced aberrations in the HELEN laser at AWE. Partial compensation of cooling effects is also included in the design. Phase elements have been fabricated through two processes, an indirect write lithographic process using amplitude masks generated from measured laser wavefronts and a direct write method using a novel wet etch figuring tool.

Paper Details

Date Published: 9 November 2001
PDF: 8 pages
Proc. SPIE 4440, Lithographic and Micromachining Techniques for Optical Component Fabrication, (9 November 2001); doi: 10.1117/12.448028
Show Author Affiliations
Thomas H. Bett, Atomic Weapons Research Establishment plc (United Kingdom)
Andrew R. Barnes, Atomic Weapons Research Establishment plc (United Kingdom)
N. W. Hopps, Atomic Weapons Research Establishment plc (United Kingdom)
Mohammad R. Taghizadeh, Heriot Watt Univ. (United Kingdom)
Andrew J. Waddie, Heriot Watt Univ. (United Kingdom)
P. Rudman, Heriot Watt Univ. (United Kingdom)
M. Thompson, Heriot Watt Univ. (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. 4440:
Lithographic and Micromachining Techniques for Optical Component Fabrication
Ernst-Bernhard Kley; Hans Peter Herzig, Editor(s)

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