Design of a real-time laser stimulus system based on MEMS-based confocal laser scanning microscope

被引：0
|
作者：
Jin, Xingjie [1 ,2 ]
Xu, Xin [1 ]
Gao, Feng [1 ]
Kong, Wen [1 ]
Shi, Guohua [1 ]
机构：
[1] Chinese Acad Sci, Jiangsu Key Lab Med Opt, Suzhou Inst Biomed Engn & Technol, Suzhou 215163, Peoples R China
[2] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200444, Peoples R China
来源：
FIFTH SYMPOSIUM ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATION | 2019年 / 11023卷
关键词：
Light stimulus; confocal microscopy; MEMS-mirror; FPGA;
D O I：
10.1117/12.2521544
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We design a real-time laser stimulus system for laser confocal scanning microscope. By introducing the FPGA and AOM to achieve high speed modulation of a scanning laser, we can adjust the laser lighting area freely. For reducing the size of the optical path, we use MEMS-mirror instead of traditional fast and slow axis mirrors. The size of MEMS-mirror is 1.5 mm diameter and the scanning frequencies are set 16 kHz and 12 Hz at the fast and slow axis, respectively. Our system is capable of delivering stabilized large stimulus pattern (up to 500 x 500 pixels) to the biological tissues.
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页数：4
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