High-quality reconstruction of an optical image by an efficient Laguerre-Gaussian mode decomposition method

被引：6
|
作者：
Ma, Jiantao [1 ,2 ]
Wei, Dan [1 ,2 ]
Wang, Luyi [1 ,2 ]
Zhang, Yong [1 ,2 ,3 ]
Xiao, Min [1 ,2 ,3 ,4 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Coll Engn & Appl Sci, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
[4] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA
来源：
OSA CONTINUUM | 2021年 / 4卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ORBITAL-ANGULAR-MOMENTUM; SPECTRUM; VORTEX; LIGHT; TRAP;
D O I：
10.1364/OSAC.419387
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and experimentally demonstrate an optical image reconstruction in the Laguerre-Gaussian (LG) domain. Because LG mode features circular symmetry, it has unique advantages to decompose an image with rotational symmetry. In the experiment, we realize a high-fidelity reconstruction of an optical image by using about 10(4) LG modes. In the proposed configuration, the radial sampling points are much fewer than those in the existing methods, which can significantly improve the efficiency. Furthermore, we show azimuthal image noise reduction through LG domain filtering. Our results open a door for LG-mode based optical image processing. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：1396 / 1403
页数：8
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