Wide-field photoacoustic microscopy with a fiber laser ultrasound sensor

Yizhi Liang; Long Jin; Jun Ma; Xue Bai; Bai-Ou Guan

doi:10.1117/12.2265286

23 April 2017 Wide-field photoacoustic microscopy with a fiber laser ultrasound sensor

Yizhi Liang, Long Jin, Jun Ma, Xue Bai, Bai-Ou Guan

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103230Z (2017) https://doi.org/10.1117/12.2265286
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A compact fiber grating laser has been exploited as an ultrasound sensor to probe optically induced spherical elastic waves, taking advantage of its response in beat-frequency variation of the laser output. Optical-resolution photoacoustic microscopy (PAM) is further implemented with such a sensor by raster scanning the excitation light with a 2-axis galvo scanner. A PAM image of mouse ear with a field width of 2 mm is demonstrated. The wide field-of-view of the sensor allows the implementation of fast-scanning PAMs which is attractive for in vivo imaging applications.

Citation Download Citation

Yizhi Liang, Long Jin, Jun Ma, Xue Bai, and Bai-Ou Guan "Wide-field photoacoustic microscopy with a fiber laser ultrasound sensor", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103230Z (23 April 2017); https://doi.org/10.1117/12.2265286

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