Array formation of optical vortices using in-line phase modulation

被引：14
|
作者：
Kumar, Praveen [1 ]
Nishchal, Naveen K. [1 ]
机构：
[1] Indian Inst Technol Patna, Dept Phys, Patna 801106, Bihar, India
来源：
OPTICS COMMUNICATIONS | 2021年 / 493卷
关键词：
Phase singularity; Optical vortex; Optical vortex array; Phase modulation; VORTEX ARRAY; TOPOLOGICAL CHARGE; GENERATION; LATTICES; BEAMS; ORDER; LASER;
D O I：
10.1016/j.optcom.2021.127020
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we demonstrate the formation of optical vortices (OV) array through in-line modulation of phase distributions using the approach of concatenation. This approach is non-interferometric and provides flexibility in the selection of the parameters that characterize the OVs and its array. Utilizing this feature, an array of high order OVs even with non-zero radial indices can be generated. An array of fractional order OVs can also be realized. Experimental and simulation results have been presented that verifies the feasibility.
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页数：7
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