Design of phase plates for shaping partially coherent beams by simulated annealing

被引：0
|
作者：
李建龙 [1 ]
吕百达 [1 ]
机构：
[1] Institute of Laser Physics and Chemistry, Sichuan University
来源：
Chinese Physics B | 2008年 / 17卷 / 05期
基金：
中国国家自然科学基金;
关键词：
partially coherent beam; phase plate; simulated annealing (SA); beam shaping;
D O I：
暂无
中图分类号：
TN24 [激光技术、微波激射技术];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
Taking the Gaussian Schell-model beam as a typical example of partially coherent beams, this paper applies the simulated annealing (SA) algorithm to the design of phase plates for shaping partially coherent beams. A flow diagram is presented to illustrate the procedure of phase optimization by the SA algorithm. Numerical examples demonstrate the advantages of the SA algorithm in shaping partially coherent beams. An uniform flat-topped beam profile with maximum reconstruction error RE < 1.74% is achieved. A further extension of the approach is discussed.
引用
收藏
页码：1840 / 1844
页数：5
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