Autofocus by Lissajous scanning in time reversal optical scanning holography  

作　　者：Jie Liu Haiyan Ou Hua Wang Lin Peng Wei Shao 刘洁;欧海燕;王华;彭麟;邵维(Shenzhen Institute for Advanced Study,University of Electronic Science and Technology of China,Shenzhen 518000,China;School of Physics,University of Electronic Science and Technology of China,Chengdu 611731,China;Key Laboratory of Cognitive Radio and Information Processing,Guilin University of Electronic Technology,Guilin 541004,China)

机构地区：[1]Shenzhen Institute for Advanced Study,University of Electronic Science and Technology of China,Shenzhen 518000,China [2]School of Physics,University of Electronic Science and Technology of China,Chengdu 611731,China [3]Key Laboratory of Cognitive Radio and Information Processing,Guilin University of Electronic Technology,Guilin 541004,China

出　　处：《Chinese Optics Letters》2024年第8期13-20,共8页中国光学快报（英文版）

基　　金：supported by the 2020 Open Foundation of Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education (Guilin University of Electronic Technology) (No. CRKL200201)。

摘　　要：In this Letter, an autofocusing method in optical scanning holography(OSH) system is proposed. By introducing Lissajous scanning into multiple signal classification(MUSIC) method in time-reversal(TR) OSH, the axial locations of the targets can be retrieved with better resolution and the peak prominence increases from 0.21 to 0.34. The feasibility of this method is confirmed by simulation as well as experiment.

关 键 词：digital holography Lissajous scanning image reconstruction axial localization 

分 类 号：TN26[电子电信—物理电子学] TP391.41[自动化与计算机技术—计算机应用技术]