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基于计算全息的光环晶格阵列研究

Study of Optical Ring Lattice Array Based on Computer-Generated Holography

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摘要

利用拉盖尔高斯涡旋光束的共轴叠加,研究2×2光环晶格阵列的产生方法。从理论上分析了光环晶格阵列的形成与分布特征,并利用数值计算得出了光环晶格阵列。通过共轭对称延拓傅里叶计算全息生成了光环晶格阵列的全息图,基于反射式空间光调制器的光电实验产生了与理论一致的光环晶格阵列。光环晶格阵列具有更多的控制参数和更复杂的光束分布特征,为光束的原子操控研究提供了一定的理论和实验依据。

Abstract

A method for the generation of 2×2 optical ring lattice array by coaxial superposition of Laguerre-Gaussian beams is proposed. The formation and distribution characteristics of optical ring lattice array are discussed in theory, then optical ring lattice array is produced by numerical calculation. The hologram of optical ring lattice array is generated by conjugate-symmetric extension based Fourier computer-generated holography, and the optical ring lattice array is experimentally produced based on a reflected-type spatial light modulator. Excellent agreements between theoretical and experimental results are observed. Optical ring lattice array provides more controllable parameters and more complicated light distributions, so the research results provide some theoretical and experimental foundations for atom trapping of light beams.

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中图分类号:O436

DOI:10.3788/cjl201441.0309003

所属栏目:全息与信息处理

基金项目:国家自然科学基金(61178088,61235002)、上海市教委科研创新基金(12YZ011)

收稿日期:2013-09-22

修改稿日期:2013-10-30

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作者单位    点击查看

贺超:上海大学通信与信息工程学院, 上海 200072上海大学特种光纤与光接入网省部共建重点实验室, 上海 200072
黄素娟:上海大学通信与信息工程学院, 上海 200072上海大学特种光纤与光接入网省部共建重点实验室, 上海 200072
谷婷婷:上海大学通信与信息工程学院, 上海 200072上海大学特种光纤与光接入网省部共建重点实验室, 上海 200072
王廷云:上海大学通信与信息工程学院, 上海 200072上海大学特种光纤与光接入网省部共建重点实验室, 上海 200072

联系人作者:贺超(che891101@163.com)

备注:贺超(1989—),男,硕士研究生,主要从事涡旋光束方面的研究。

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引用该论文

He Chao,Huang Sujuan,Gu Tingting,Wang Tingyun. Study of Optical Ring Lattice Array Based on Computer-Generated Holography[J]. Chinese Journal of Lasers, 2014, 41(3): 0309003

贺超,黄素娟,谷婷婷,王廷云. 基于计算全息的光环晶格阵列研究[J]. 中国激光, 2014, 41(3): 0309003

被引情况

【1】吕浩,王守智,王霞. 计算机模拟光强与偏振非均匀性对全息干涉结构的影响. 中国激光, 2014, 41(10): 1009001--1

【2】王由平,郑明杰,陈大强. 基于Gerchberg-Saxton相位恢复算法改进的涡旋光束生成. 激光与光电子学进展, 2015, 52(10): 100701--1

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