Transformation of the topological charge of optical singularities in collinear sum-frequency generation by elliptically polarized light beams in the bulk of an isotropic chiral medium

被引：3
|
作者：
Grigoriev, K. S. [1 ,2 ]
Makarov, V. A. [1 ,2 ,3 ]
Ryzhikov, P. S. [2 ]
机构：
[1] Lomonosov Moscow State Univ, Int Laser Ctr, Moscow 119991, Russia
[2] Lomonosov Moscow State Univ, Fac Phys, Moscow 119991, Russia
[3] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia
来源：
LASER PHYSICS LETTERS | 2019年 / 16卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
topological charge; singular optics; sum-frequency generation; ANGULAR-MOMENTUM; GAUSSIAN BEAMS; VORTICES;
D O I：
10.1088/1612-202X/ab0103
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Sum topological charges of the circularly polarized components of a beam, generated in the bulk of an isotropic chiral medium by elliptically polarized fundamental beams with arbitrary transverse structure, are found. The impact of the ellipticity degrees of the polarization ellipses of the fundamental beams and the angle between the major axes of the ellipses on the sum topological charges is discussed.
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页数：6
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