JBO Letters

Acoustically penetrable optical reflector for photoacoustic tomography

[+] Author Affiliations
Zijian Deng, Honghong Zhao, Qiushi Ren, Changhui Li

Peking University, College of Engineering, Department of Biomedical Engineering, Beijing 100871, China

J. Biomed. Opt. 18(7), 070503 (Jul 09, 2013). doi:10.1117/1.JBO.18.7.070503
History: Received May 20, 2013; Revised June 20, 2013; Accepted June 27, 2013
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Abstract.  Photoacoustic tomography (PAT) detects ultrasound signals generated by the objects after absorbing illuminating photons. However, the widely used piezoelectric ultrasound transducers are generally not optically transparent, which would cause conflicts between the light illumination and the ultrasonic detection in PAT. We report a different acoustically penetrable optical reflector (APOR) concept to provide a solution to this conflict. We measured the properties of an APOR and experimentally tested its performance in a PAT system. The results demonstrated that the APOR successfully allowed the transducer to detector photoacoustic signals without affecting the light illumination. Moreover, the APOR concept can be readily implemented in various PAT systems.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Zijian Deng ; Honghong Zhao ; Qiushi Ren and Changhui Li
"Acoustically penetrable optical reflector for photoacoustic tomography", J. Biomed. Opt. 18(7), 070503 (Jul 09, 2013). ; http://dx.doi.org/10.1117/1.JBO.18.7.070503


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