Nonparaxial propagation properties of the chirped Airy Gaussian vortex beams in uniaxial crystals orthogonal to the optical axis

被引：4

作者：

Chen, Yizuo ^{[1
]}

Zhao, Guanwen ^{[1
]}

Ye, Feng ^{[1
]}

Xu, Chuangjie ^{[1
]}

Deng, Dongmei ^{[1
]}

机构：

[1] South China Normal Univ, Guangdong Prov Key Lab Nanophoton Funct Mat & Dev, Guangzhou 510631, Guangdong, Peoples R China

来源：

CHINESE PHYSICS B | 2018年 / 27卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Chirped Airy Gaussian vortex beams; energy flow; angular momentum; nonparaxial propagation; RIGHT-HANDED MATERIALS; ANGULAR-MOMENTUM; GENERATION; VECTOR; SLABS;

D O I：

10.1088/1674-1056/27/10/104201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this article, we investigate the nonparaxial propagation properties of the chirped Airy Gaussian vortex (CAiGV) beams in uniaxial crystals orthogonal to the optical axis analytically and numerically. We discuss how the linear chirp parameters, the quadratic chirp parameters, and the Gaussian factors influence the nonparaxial propagation dynamics of the CAiGV beams. The intensity, the energy flow, the beam center, and the angular momentum of the CAiGV beams are deeply investigated. It is shown that the Gaussian factors have a great effect on the intensity and the centroid positions of the CAiGV beams. With the Gaussian factors increasing, the intensity of CAiGV beams decreases rapidly. The main lobes of the transverse intensity distribution of the CAiGV beams are similar to triangles.

引用

页数：7

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