Experimental synthesis of random light sources with circular coherence by digital micro-mirror device

被引：31
作者：
Zhu, Xinlei [1 ,2 ]
Yu, Jiayi [3 ,4 ]
Chen, Yahong [1 ,2 ]
Wang, Fei [1 ,2 ]
Korotkova, Olga [5 ]
Cai, Yangjian [1 ,2 ,3 ,4 ]
机构：
[1] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
[2] Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
[3] Shandong Normal Univ, Shandong Prov Engn & Tech Ctr Light Manipulat, Sch Phys & Elect, Jinan 250014, Peoples R China
[4] Shandong Normal Univ, Shandong Prov Key Lab Opt & Photon Device, Sch Phys & Elect, Jinan 250014, Peoples R China
[5] Univ Miami, Dept Phys, Coral Gables, FL 33146 USA
来源：
APPLIED PHYSICS LETTERS | 2020年 / 117卷 / 12期
基金：
中国国家自然科学基金;
关键词：
OPTICAL COHERENCE; CORRELATED BEAMS; MODEL;
D O I：
10.1063/5.0024283
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We introduce an optical system for the nearly real-time generation of a wide class of partially coherent sources (PCSs) having non-Schellmodel circular coherence. The system is composed of a modified 4f optical imaging system involving a fast modulated digital micro-mirror device (DMD) and a stable common path interferometric arrangement, which enable us to synthesize a variety of PCSs not reported heretofore. The basic principle and physics of our method, as well as the experimental implementation for generating two kinds of non-uniformly correlated (NUC) sources, i.e., cosh-type and sinh-type NUC sources, are presented, confirming the flexibility and reliability of our proposed approach. We further demonstrate the non-uniform property of the spatial correlation of the generated NUC sources by means of a classic Young's interferometer. Published under license by AIP Publishing.
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页数：5
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