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Proceedings Paper

Simulation of wavefront reconstruction in beam reshaping system for rectangular laser beam
Author(s): Qiong Zhou; Wenguang Liu; Zongfu Jiang
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Paper Abstract

A new method to calculating the wavefront of slap laser is studied in this paper. The method is based on the ray trace theory of geometrical optics. By using the Zemax simulation software and Matlab calculation software, the wavefront of rectangular beam in beam reshaping system is reconstructed. Firstly, with the x- and y-slope measurement of reshaping beam the direction cosine of wavefront can be calculated. Then, the inverse beam path of beam reshaping system is built by using Zemax simulation software and the direction cosine of rectangular beam can be given, too. Finally, Southwell zonal model is used to reconstruct the wavefront of rectangular beam in computer simulation. Once the wavefront is received, the aberration of laser can be eliminated by using the proper configuration of beam reshaping system. It is shown that this method to reconstruct the wavefront of rectangular beam can evidently reduce the negative influence of additional aberration induced by beam reshaping system.

Paper Details

Date Published: 1 May 2014
PDF: 8 pages
Proc. SPIE 9135, Laser Sources and Applications II, 91351P (1 May 2014); doi: 10.1117/12.2050241
Show Author Affiliations
Qiong Zhou, National Univ. of Defense Technology (China)
Wenguang Liu, National Univ. of Defense Technology (China)
Zongfu Jiang, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 9135:
Laser Sources and Applications II
Jacob I. Mackenzie; Helena JelÍnková; Takunori Taira; Marwan Abdou Ahmed, Editor(s)

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