Ultrasound-modulated laser feedback tomography in the reflective mode

被引：16
|
作者：
Zhu, Kaiyi [1 ]
Zhou, Borui [1 ,2 ]
Lu, Yueyue [1 ]
Lai, Puxiang [3 ]
Zhang, Shulian [1 ]
Tan, Yidong [1 ]
机构：
[1] Tsinghua Univ, Dept Precis Instrument, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
[2] Army Engn Univ, Dept Elect & Opt Engn, Shijiazhuang 050000, Hebei, Peoples R China
[3] Hong Kong Polytech Univ, Dept Biomed Engn, Hong Kong, Peoples R China
来源：
OPTICS LETTERS | 2019年 / 44卷 / 22期
基金：
中国国家自然科学基金;
关键词：
OPTICAL TOMOGRAPHY; INTERFEROMETRY; SENSITIVITY; MICROSCOPY; SYSTEM;
D O I：
10.1364/OL.44.005414
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel method of ultrasound-modulated optical tomography (UOT) detection based on the laser feedback technology is proposed in this Letter. The system has advantages such as a simple structure, high sensitivity, and reflective configuration. Effective penetration depths of up to 9 cm and 5 cm in phantom and biological tissues, respectively, have been demonstrated experimentally. The detection capability is comparable with the state of the art in the transmission mode but with a much lower photon consumption. Although a lot remains to be improved, the proposed method is promising for further development toward practical applications. (C) 2019 Optical Society of America
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页码：5414 / 5417
页数：4
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