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

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

doi:10.1117/12.154473

1 May 1993 Phase screens for control of the focal irradiance of the Nova laser

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

Author Affiliations +

Proceedings Volume 1870, Laser Coherence Control: Technology and Applications; (1993) https://doi.org/10.1117/12.154473
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

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.

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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, and Bruce W. Woods "Phase screens for control of the focal irradiance of the Nova laser", Proc. SPIE 1870, Laser Coherence Control: Technology and Applications, (1 May 1993); https://doi.org/10.1117/12.154473

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