Properties of off-axis hollow Gaussian–Schell model vortex beam propagating in turbulent atmosphere

被引：0
|
作者：
宋延嵩 [1 ]
董科研 [1 ]
常帅 [1 ]
董岩 [1 ]
张雷 [1 ]
机构：
[1] National and Local Joint Engineering Research Center of Space Optoelectronics Technology,Changchun University of Science and Technology
来源：
Chinese Physics B | 2020年 / 29卷 / 06期
关键词：
vortex beam; off-axis beam; Gaussian–Schell model sources; laser propagation; intensity;
D O I：
暂无
中图分类号：
TN929.12 [大气光通信];
学科分类号：
0803 ;
摘要：
The analytical expression of off-axis hollow Gaussian–Schell model vortex beam(HGSMVB) generated by anisotropic Gaussian–Schell model source is first introduced. The evolution properties of off-axis HGSMVB propagating in turbulent atmosphere are analyzed. The results show that the off-axis HGSMVB with smaller coherence length or propagating in stronger turbulent atmosphere will evolve from dark hollow beam into Gaussian-like beam with a larger beam spot faster. The beams with different values of integer order N or the position for hollow and vortex factor R will have almost the same Gaussian-like spot distribution at the longer propagation distance.
引用
收藏
页码：277 / 283
页数：7
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