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Proceedings Paper

Noncontact photoacoustic imaging by using a modified optical-fiber Michelson interferometer
Author(s): Jiao Lu; Yingzhe Gao; Zhenhe Ma; Bo Wang; Yi Wang
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Paper Abstract

We demonstrate a noncontact photoacoustic imaging (PAI) system in which an optical interferometer is used for ultrasound detection. The system is based on a modified optical-fiber Michelson interferometer that measures the surface displacement caused by photoacoustic pressure. A synchronization method is utilized to keep its high sensitivity to reduce the influence of ambient vibrations. The system is experimentally verified by imaging of a phantom. The experimental results indicate that the proposed system can be used for noncontact PAI with high resolution and high bandwidth.

Paper Details

Date Published: 15 March 2016
PDF: 5 pages
Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97084B (15 March 2016); doi: 10.1117/12.2212141
Show Author Affiliations
Jiao Lu, Northeastern Univ. (China)
Yingzhe Gao, Northeastern Univ. at Qinhuangdao (China)
Zhenhe Ma, Northeastern Univ. at Qinhuangdao (China)
Bo Wang, Jinan Univ. (China)
Yi Wang, Northeastern Univ. at Qinhuangdao (China)

Published in SPIE Proceedings Vol. 9708:
Photons Plus Ultrasound: Imaging and Sensing 2016
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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