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Proceedings Article

Phase screens for control of the focal irradiance of the Nova laser

[+] Author Affiliations
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

Lawrence Livermore National Lab. (USA)

Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, 88 (May 1, 1993); doi:10.1117/12.154473
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From Conference Volume 1870

  • Laser Coherence Control: Technology and Applications
  • Howard T. Powell; Terrance J. Kessler
  • Los Angeles, CA | January 17, 1993

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.

© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Janice K. Lawson ; Sham N. Dixit ; David Eimerl ; Mark A. Henesian ; Kenneth R. Manes, et al.
"Phase screens for control of the focal irradiance of the Nova laser", Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, 88 (May 1, 1993); doi:10.1117/12.154473; http://dx.doi.org/10.1117/12.154473


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