Evolution properties of a Laguerre-Gaussian correlated Schell-model beam propagating in uniaxial crystals orthogonal to the optical axis

被引：42
|
作者：
Zhu, Ziren [1 ,2 ]
Liu, Lin [1 ,2 ]
Wang, Fei [1 ,2 ]
Cai, Yangjian [1 ,2 ]
机构：
[1] Soochow Univ, Coll Phys Optoelect & Energy, Suzhou 215006, Peoples R China
[2] Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2015年 / 32卷 / 03期
基金：
中国国家自然科学基金;
关键词：
PARTIALLY COHERENT BEAMS; ANISOTROPIC MEDIA; EXPERIMENTAL GENERATION; STATISTICAL PROPERTIES; TURBULENT ATMOSPHERE; FAR FIELDS; SYSTEMS; LIGHT;
D O I：
10.1364/JOSAA.32.000374
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Analytical expressions for the cross-spectral density function and the second-order moments of a Laguerre-Gaussian correlated Schell-model (LGCSM) beam propagating in uniaxial crystals orthogonal to the optical axis are derived. Based on the formulas derived, we study the propagation properties, such as beam irradiance, beam diameters, and the spectral degree of coherence, of a LGCSM beam inside uniaxial crystals in detail. The effect of the initial beam parameters (mode order and spatial coherence length) and the parameters of the uniaxial crystals on the evolution properties of a LGCSM beam is revealed through numerical examples. The uniaxial crystals provide one way to modulate the properties of a LGCSM beam. (C) 2015 Optical Society of America
引用
收藏
页码：374 / 380
页数：7
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