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Proceedings Paper

Photoacoustic endoscopy using polymer microring resonators
Author(s): Sung-Liang Chen; Tao Ling; Hyoung Won Baac; L. Jay Guo
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Paper Abstract

We designed and fabricated a probe for endoscopic photoacoustic imaging with a structure that includes an optical fiber to deliver laser pulses and polymer microring resonators on transparent fused silica substrate. To calibrate the performance of the probe, a 6 μm carbon fiber embedded in an agarose gel phantom was imaged. At a depth of 2.7 mm from the probe edge, radial resolution up to 21 μm and transverse resolution of 750 μm were obtained. Transverse resolution can be improved using fibers with small core sizes. Experimental results show that the devised probe has potential for high-resolution photoacoustic endoscopy.

Paper Details

Date Published: 18 February 2011
PDF: 6 pages
Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 78992T (18 February 2011); doi: 10.1117/12.874205
Show Author Affiliations
Sung-Liang Chen, Univ. of Michigan (United States)
Tao Ling, Univ. of Michigan (United States)
Hyoung Won Baac, Univ. of Michigan (United States)
L. Jay Guo, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 7899:
Photons Plus Ultrasound: Imaging and Sensing 2011
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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