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正六边形多孔阵列的涡旋光衍射

Diffraction of Vortex Beam by Regular Hexagonal Multi-Hole Array

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摘要

基于菲涅耳衍射理论,研究了涡旋光经正六边形排布的多孔阵列衍射后的光强分布,分析了正六边形多孔阵列的结构参数对蜂窝状光场的影响。研究结果表明,衍射光场会随着相位结构发生周期性变化,得到蜂窝状或花瓣状的光强分布;圆孔半径会影响衍射光场的范围,正六边形的边长对条纹的宽度和间距存在影响。

Abstract

Based on the Fresnel diffraction theory, the intensity distribution of a vortex beam diffracted by a regular hexagonal multi-hole array is investigated and the effects of the structural parameters of this regular hexagonal multi-hole array on the cellular optical field are also analyzed. The research results show that the diffracted field periodically changes with the phase structure and thus a cellular or petal shaped intensity distribution can be obtained. The radius of the circular hole has an effect on the diffracted field range and the side length of the regular hexagon has influences on the width and the separation distance of the diffraction fringes.

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中图分类号:O436.1

DOI:10.3788/aos201838.1005002

所属栏目:衍射与光栅

基金项目:国家自然科学基金(61571035,61378061,61401017)

收稿日期:2018-04-04

修改稿日期:2018-05-16

网络出版日期:2018-05-25

作者单位    点击查看

李润泉:北京交通大学理学院光信息科学与技术研究所发光与光信息技术教育部重点实验室, 北京 100044
王智:北京交通大学理学院光信息科学与技术研究所发光与光信息技术教育部重点实验室, 北京 100044
崔粲:北京交通大学理学院光信息科学与技术研究所发光与光信息技术教育部重点实验室, 北京 100044
王慧莹:北京交通大学理学院光信息科学与技术研究所发光与光信息技术教育部重点实验室, 北京 100044
李颖:北京交通大学理学院光信息科学与技术研究所发光与光信息技术教育部重点实验室, 北京 100044

联系人作者:王智(zhiwang@bjtu.edu.cn); 李润泉(16126092@bjtu.edu.cn);

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引用该论文

Li Runquan,Wang Zhi,Cui Can,Wang Huiying,Li Ying. Diffraction of Vortex Beam by Regular Hexagonal Multi-Hole Array[J]. Acta Optica Sinica, 2018, 38(10): 1005002

李润泉,王智,崔粲,王慧莹,李颖. 正六边形多孔阵列的涡旋光衍射[J]. 光学学报, 2018, 38(10): 1005002

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