Random sources for rotating spectral densities

被引:100
作者
Mei, Zhangrong [1 ]
Korotkova, Olga [2 ]
机构
[1] Huzhou Univ, Dept Phys, Huzhou 313000, Peoples R China
[2] Univ Miami, Dept Phys, Coral Gables, FL 33146 USA
基金
中国国家自然科学基金;
关键词
SCHELL-MODEL BEAMS; PROPAGATION CHARACTERISTICS; FAR FIELDS; DIFFERENCE;
D O I
10.1364/OL.42.000255
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The propagating modes of a wide-sense stationary Schell-like source with arbitrary coherence state and a twist factor are determined. This suggests a convenient practical method for modeling novel classes of twisted partially coherent beam-like fields. The first example discusses the previously introduced twisted anisotropic Gaussian Schell-model source and verifies the feasibility of this method. As a second example, we introduce a new type of twisted partially coherent beam in which a radiated flat-top average intensity pattern remains invariant in shape (but not size) while it twists around the axis upon propagation. (C) 2017 Optical Society of America
引用
收藏
页码:255 / 258
页数:4
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