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Proceedings Paper

Strategies for ultrahigh laser uniformity using zero-correlation phase masks
Author(s): Stanley Skupsky; Terrance J. Kessler
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Paper Abstract

Phase plates have been used in holography and laser fusion to produce a well-defined far-field intensity envelope that is relatively independent of the input-beam profile. However, superposed on this envelope is unwanted, highly modulated speckle from the interference between different phase-plate elements. We have developed a technique for choosing the phase-plate elements (in combination with polarization rotation) such that these intensity fluctuations approach zero in the limit of plane-wave near-field irradiation. Strategies are discussed for reducing the sensitivity of these zero-correlation phase masks to phase aberrations and other near-field imperfections, with particular emphasis on laser-fusion applications.

Paper Details

Date Published: 1 May 1993
PDF: 8 pages
Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, (1 May 1993); doi: 10.1117/12.154476
Show Author Affiliations
Stanley Skupsky, Univ. of Rochester (United States)
Terrance J. Kessler, Univ. of Rochester (United States)

Published in SPIE Proceedings Vol. 1870:
Laser Coherence Control: Technology and Applications
Howard T. Powell; Terrance J. Kessler, Editor(s)

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