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Proceedings Paper

Far-field beam shaping through static wavefront correction in the near field on the HELEN laser
Author(s): Thomas H. Bett; N. W. Hopps; J. R. Nolan
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Paper Abstract

This report discusses the design and installation of a phase optic inserted in the near field of the HELEN high power glass laser. The element is designed to shape the intensity distribution at the focal spot of the laser to produce an increase in the peak intensity through correction of static and thermally induced wavefront errors on the beam. A phase element has been fabricated commercially using a magneto-rheological finishing tool. Test data is presented.

Paper Details

Date Published: 24 October 2002
PDF: 11 pages
Proc. SPIE 4770, Laser Beam Shaping III, (24 October 2002); doi: 10.1117/12.465369
Show Author Affiliations
Thomas H. Bett, AWE plc (United Kingdom)
N. W. Hopps, AWE plc (United Kingdom)
J. R. Nolan, AWE plc (United Kingdom)


Published in SPIE Proceedings Vol. 4770:
Laser Beam Shaping III
Fred M. Dickey; Scott C. Holswade; David L. Shealy, Editor(s)

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