Spectral invariance of Gaussian Schell-model beams

被引:2
|
作者
Gao, Yaru [1 ,2 ,3 ]
Li, Xiaofei [1 ,2 ,3 ]
Cai, Yangjian [1 ,2 ,3 ,4 ]
Schouten, Hugo F. [5 ]
Visser, Taco D. [1 ,2 ,5 ,6 ]
机构
[1] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250014, Peoples R China
[2] Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Devices, Jinan 250014, Peoples R China
[3] Shandong Normal Univ, Collaborat Innovat Ctr Light Manipulat & Applicat, Jinan 250358, Peoples R China
[4] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
[5] Vrije Univ, Dept Phys & Astron, Amsterdam, Netherlands
[6] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
来源
OPTICS EXPRESS | 2020年 / 28卷 / 14期
基金
中国国家自然科学基金;
关键词
PROPAGATION; REDSHIFTS; LIGHT;
D O I
10.1364/OE.397889
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is well known that in general the spectrum of a beam that is generated by a partially coherent source will change on propagation. Here we derive necessary and sufficient conditions under which the often-used Gaussian Schell-model sources can produce beams whose normalized spectrum is invariant everywhere, or is invariant just along the beam axis. These sources are not necessarily quasi-homogeneous or obeying the scaling law. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码:20032 / 20039
页数:8
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