Beam shaping by spatial coherence modulation based on spatial coherence wavelets

被引：5
|
作者：
Betancur, Rafael [1 ]
Restrepo, John [1 ]
Castaneda, Roman [1 ]
机构：
[1] Univ Nacl Colombia Medellin, Sch Phys, Medellin, Colombia
来源：
OPTICS AND LASERS IN ENGINEERING | 2009年 / 47卷 / 12期
关键词：
Spatial coherence wavelets; Marginal power spectrum; Phase-space representation; MUTUAL-INTENSITY DISTRIBUTIONS; PHASE-SPACE REPRESENTATION; DIFFRACTION; LIGHT;
D O I：
10.1016/j.optlaseng.2009.01.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel technique for designing specific shapes of power distributions is presented. It bases on the modulation of the spatial coherence of the optical field in amplitude and phase. The modulating functions are synthesized from the phase-space diagram of the field, provided by the marginal power spectrum. Numerical results for the phase modulation of the complex degree of spatial coherence are presented. This beam shaping technique is suitable in applications that require specific shapes and sizes. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1340 / 1347
页数：8
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