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Proceedings Paper

Design of continuous phase screens for super-Gaussian focal-plane irradiance profiles
Author(s): Jinhui Zhai; Yingbai Yan; Guofan Jin; Minxian Wu; Xuezhe Zheng
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Paper Abstract

High performance phase screens are essential for the focal- plane irradiance profile control in laser-fusion system. A new global/local united search algorithm is presented for constructing continuous phase screens to eliminate the wide- angle scattering. The focal-plane intensity profile fits a 16th-order flat-top super-Gaussian function. More than 98.5% of the incident energy is homogeneously constrained in the desired region. The wide-angle scattering outside (phi) 1 mm in focal plane of focus spots is less than 0.5% of the incident energy.

Paper Details

Date Published: 18 June 1998
PDF: 6 pages
Proc. SPIE 3291, Diffractive and Holographic Device Technologies and Applications V, (18 June 1998); doi: 10.1117/12.310586
Show Author Affiliations
Jinhui Zhai, Tsinghua Univ. (United States)
Yingbai Yan, Tsinghua Univ. (China)
Guofan Jin, Tsinghua Univ. (China)
Minxian Wu, Tsinghua Univ. (China)
Xuezhe Zheng, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 3291:
Diffractive and Holographic Device Technologies and Applications V
Ivan Cindrich; Sing H. Lee, Editor(s)

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