结构光照明下的非相干自干涉数字全息成像  

Incoherent self-interference digital holographic imaging under structured light illumination

作　　者：郑梦杰 杜艳丽[1] 黄松涛 刘星[1] 李朴然 马凤英[1] 弓巧侠[1] Zheng Mengjie;Du Yanli;Huang Songtao;Liu Xing;Li Puran;Ma Fengying;Gong Qiaoxia(School of Physics and Microelectronics,Zhengzhou University,Zhengzhou,Henan 450001,China)

机构地区：[1]郑州大学物理学院(微电子学院),河南郑州450001

出　　处：《光电工程》2022年第7期71-79,共9页Opto-Electronic Engineering

基　　金：河南省自然科学基金项目(18A140032,15A140038,16A140035)。

摘　　要：提出了一种采用结构光照明的迈克尔逊非相干数字全息成像系统,该系统利用空间光调制器SLM实现水平和竖直方向的余弦光栅照明模式,以提高成像系统的横向分辨率。利用MATLAB软件进行仿真成像和数值重建,得到了该系统下的高分辨率重建像,从理论上证明了这一方法可以有效提高非相干数字全息系统的分辨率。搭建了相应的非相干光自干涉数字全息成像系统,通过对USAF1951分辨率板进行成像,从实验上进一步验证了基于结构光照明的超分辨成像方法对该成像系统的适用性。An incoherent digital holographic imaging system based on the Michelson interferometer with structured light illumination is proposed,which uses a spatial light modulator(SLM)to realize horizontal and vertical cosine grating illumination patterns to improve the lateral resolution of the imaging system.Using MATLAB software to carry out simulation imaging and numerical reconstruction,the high-resolution reconstructed image under the system is obtained.It theoretically proves that this method can effectively improve the resolution of the incoherent digital holography system.And build the corresponding incoherent light self-interference digital holographic imaging system.By imaging the USAF1951 resolution target,further verified the applicability of the super-resolution imaging method based on structured light illumination experimentally.

关 键 词：非相干全息 高分辨率 结构光照明 迈克尔逊干涉仪 

分 类 号：O438.1[机械工程—光学工程]