Cross-optical-beam nonlinear photoacoustic microscopy

Liren Zhu; Liang Gao; Lei Li; Lidai Wang; Teng Ma; Qifa Zhou; K. Kirk Shung; Lihong V. Wang

doi:10.1117/12.2037926

3 March 2014 Cross-optical-beam nonlinear photoacoustic microscopy

Liren Zhu, Liang Gao, Lei Li, Lidai Wang, Teng Ma, Qifa Zhou, K. Kirk Shung, Lihong V. Wang

Proceedings Volume 8943, Photons Plus Ultrasound: Imaging and Sensing 2014; 89433H (2014) https://doi.org/10.1117/12.2037926
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

We present a photoacoustic microscopy (PAM) technique with an optical sectioning capability. By combining crossoptical- beam illumination with nonlinear PAM, an axial resolution of 8.7 μm was measured, demonstrating a fourfold improvement over the acoustically determined value. Compared to methods relying on high-frequency ultrasound transducers to improve the axial resolution, our approach offers a greater working distance and a higher signal-to-noise ratio.

Citation Download Citation

Liren Zhu, Liang Gao, Lei Li, Lidai Wang, Teng Ma, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang "Cross-optical-beam nonlinear photoacoustic microscopy", Proc. SPIE 8943, Photons Plus Ultrasound: Imaging and Sensing 2014, 89433H (3 March 2014); https://doi.org/10.1117/12.2037926

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