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  • Received: May. 10, 2015

    Accepted: Jul. 31, 2015

    Posted: Jan. 23, 2019

    Published Online: Sep. 13, 2018

    The Author Email: Sung-Liang Chen (

    DOI: 10.3788/COL201513.101101

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    De Cai, Zhongfei Li, Sung-Liang Chen. Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique[J]. Chinese Optics Letters, 2015, 13(10): 101101

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Chinese Optics Letters, Vol. 13, Issue 10, 101101 (2015)

Photoacoustic microscopy by scanning mirror-based synthetic aperture focusing technique

De Cai, Zhongfei Li, and Sung-Liang Chen*

Author Affiliations

  • University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China


Photoacoustic imaging with a synthetic aperture focusing technique (SAFT) is an effective method to improve the lateral resolution for out-of-focus regions in scanning microscopy systems, which commonly require a decent motorized scanning stage for a lateral scan of a transducer to obtain a cross-sectional image. In this study, we propose and test a photoacoustic imaging system with a scanning mirror-based SAFT (SM-SAFT) for simple and fast data acquisition, without the need for a physical scan of the transducer. Photoacoustic images of hair phantoms acquired by SM-SAFT are demonstrated, serving as a proof-of-concept experiment to show the feasibility and potential of the proposed approach.

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