Tight focusing of partially coherent, partially polarized vortex beams

被引：4
|
作者：
Hua, Limin [1 ]
Chen, Baosuan [1 ]
Chen, Ziyang [1 ]
Pu, Jixiong [1 ]
机构：
[1] Huaqiao Univ, Inst Opt & Photon, Coll Informat Sci & Engn, Quanzhou 362021, Fujian, Peoples R China
来源：
JOURNAL OF OPTICS | 2011年 / 13卷 / 07期
基金：
中国国家自然科学基金;
关键词：
tight focusing; partially coherent; partially polarized; vortex; LIGHT; FIELDS;
D O I：
10.1088/2040-8978/13/7/075702
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the tight focusing properties of partially coherent, partially polarized vortex beams through a high numerical aperture (NA) objective. The influence of the degree of polarization, the topological charge, the correlation length of the incident beam, and the NA of the objective on the intensity in the focal region is investigated in great detail. We also perform a study on the degree of coherence around the focal plane. We found that the intensity distribution and the degree of coherence in the focal region will change with the variation of the degree of polarization and the other parameters of the incident beams.
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收藏
页数：8
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