Analysis of signal detection configurations in optical time-stretch imaging

被引：4
|
作者：
Weng, Yueyun [1 ,2 ]
Mei, Liye [2 ]
Wu, Gai [1 ,2 ]
Chen, Siyan [2 ]
Zhan, Bihong [3 ]
Goda, Keisuke [2 ,4 ,5 ]
Liu, Sheng [1 ,2 ]
Lei, Cheng [2 ,4 ]
机构：
[1] Wuhan Univ, Sch Power & Mech Engn, Minist Educ, Key Lab Transients Hydrol Machinery, Wuhan 430072, Hubei, Peoples R China
[2] Wuhan Univ, Inst Technol Sci, Wuhan 430072, Peoples R China
[3] China Ship Dev & Design Ctr, Wuhan 430064, Peoples R China
[4] Univ Tokyo, Dept Chem, Tokyo 1130033, Japan
[5] Univ Calif Los Angeles, Dept Bioengn, Los Angeles, CA 90095 USA
来源：
OPTICS EXPRESS | 2020年 / 28卷 / 20期
基金：
中国国家自然科学基金; 日本学术振兴会;
关键词：
ULTRAFAST; PHOTOGRAPHY; MICROSCOPY;
D O I：
10.1364/OE.403454
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical time-stretch (OTS) imaging is effective for observing ultra-fast dynamic events in real time by virtue of its capability of acquiring images with high spatial resolution at high speed. In different implementations of OTS imaging, different configurations of its signal detection, i.e. fiber-coupled and free-space detection schemes, are employed. In this research, we quantitatively analyze and compare the two detection configurations of OTS imaging in terms of sensitivity and image quality with the USAF-1951 resolution chart and diamond films, respectively, providing a valuable guidance for the system design of OTS imaging in diverse fields. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：29272 / 29284
页数：13
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