Investigation of optical vortices and hexagonal patterns in the interference of three plane waves

被引：1
|
作者：
Corder, Carl [1 ]
Teten, Jason [1 ]
Kreminska, Liubov [1 ]
机构：
[1] Univ Nebraska, Kearney, NE USA
来源：
LASER BEAM SHAPING XII | 2011年 / 8130卷
关键词：
Optical vortices; laser beams; hexagonal pattern; FRONT DISLOCATIONS; SYSTEMS; BEAMS;
D O I：
10.1117/12.894317
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We demonstrated that optical vortices can be created by means of interference of three waves from a common laser source. Different intensity patterns can be generated starting from common two wave interference fringes up to regular hexagonal structures. The created vortices exist throughout the transition from two wave to complete three wave interference and have been shown to move along predictable lines in space under perturbations of contrast of waves. The law of conservation of topological charge was fulfilled for the interference of three waves.
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页数：7
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