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Proceedings Paper

High frame rate photoacoustic imaging using multiple wave-length LED array light source
Author(s): Toshitaka Agano; Naoto Sato; Hitoshi Nakatsuka; Kazuo Kitagawa; Takamitsu Hanaoka; Koji Morisono; Yusuke Shigeta; Chizuyo Tanaka
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Paper Abstract

We have successfully imaged photoacoustic differences of light absorbance between two images acquired by different wave-length LED array light source. Compared to photoacoustic imaging system using conventional solid-state laser light source, LED light source can be driven at higher frequency pulses, so we were able to get the subtraction image at higher frame rate that calculated from two images which were captured at each wave-length LED light pulse timing. We developed LED array light source which is composed to have two different wave-length chips, so each wave-length light pulse can be controlled and emitted freely. Thus LED array light source can be composed as multiple selectable wavelength more than two, and a various combination of subtraction image may become available at high frame rate.

Paper Details

Date Published: 15 March 2016
PDF: 5 pages
Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97084E (15 March 2016); doi: 10.1117/12.2212741
Show Author Affiliations
Toshitaka Agano, PreXion Corp. (Japan)
Naoto Sato, PreXion Corp. (Japan)
Hitoshi Nakatsuka, PreXion Corp. (Japan)
Kazuo Kitagawa, PreXion Corp. (Japan)
Takamitsu Hanaoka, PreXion Corp. (Japan)
Koji Morisono, PreXion Corp. (Japan)
Yusuke Shigeta, PreXion Corp. (Japan)
Chizuyo Tanaka, PreXion Corp. (Japan)


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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