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Proceedings Paper

Theory of nonlinear hot-image formation in high-power lasers
Author(s): Liangping Xie; Jianlin Zhao; Feng Jing
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Paper Abstract

A theoretical approach, based on the paraxial wave equation and the Fresnel integral, are presented to investigate nonlinear hot-image formation of an intense laser beam. Fresnel-zone-plate-like hologram induced by the sum of a wave scattered from a small scatterer and a background wave produces the negative first order diffracted wave (conjugative wave) that is focused to an traditional hot-image, and the negative second order diffracted wave that develops to an intense second-order hot-image. It is seen by the analytical results that the two images may attain a high intensity level enough to damage optical components in high-power lasers, showing that these two images should be equally taken into account for large lasers optimization of system design.

Paper Details

Date Published: 30 December 2005
PDF: 6 pages
Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60281Z (30 December 2005); doi: 10.1117/12.667331
Show Author Affiliations
Liangping Xie, Northwestern Polytechnical Univ. (China)
Jianlin Zhao, Northwestern Polytechnical Univ. (China)
Feng Jing, Research Ctr. of Laser Fusion, CAEP (China)


Published in SPIE Proceedings Vol. 6028:
ICO20: Lasers and Laser Technologies

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