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Proceedings Paper

Phase screens for control of the focal irradiance of the Nova laser
Author(s): Janice K. Lawson; Sham N. Dixit; David Eimerl; Mark A. Henesian; Kenneth R. Manes; Amber J. Morgan; Howard T. Powell; Ian M. Thomas; John B. Trenholme; Bruce W. Woods
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Paper Abstract

We report on the design and fabrication of continuous contour (kinoform) phase plates for homogenizing the focal plane irradiance of high-power, inertial confinement fusion laser systems. These kinoform phase plates are designed using an iterative algorithm. They offer the flexibility of controlling the overall shape of the far-field irradiance profile and the ability to concentrate the energy within a central region of the focal profile. These properties make kinoforms superior to the conventional, binary random phase plates for many applications. Potential methods for fabrication of such kinoform phase plates are discussed.

Paper Details

Date Published: 1 May 1993
PDF: 7 pages
Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, (1 May 1993); doi: 10.1117/12.154473
Show Author Affiliations
Janice K. Lawson, Lawrence Livermore National Lab. (United States)
Sham N. Dixit, Lawrence Livermore National Lab. (United States)
David Eimerl, Lawrence Livermore National Lab. (United States)
Mark A. Henesian, Lawrence Livermore National Lab. (United States)
Kenneth R. Manes, Lawrence Livermore National Lab. (United States)
Amber J. Morgan, Lawrence Livermore National Lab. (United States)
Howard T. Powell, Lawrence Livermore National Lab. (United States)
Ian M. Thomas, Lawrence Livermore National Lab. (United States)
John B. Trenholme, Lawrence Livermore National Lab. (United States)
Bruce W. Woods, Lawrence Livermore National Lab. (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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