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Proceedings Paper

Cross-optical-beam nonlinear photoacoustic microscopy
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Paper 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.

Paper Details

Date Published: 3 March 2014
PDF: 5 pages
Proc. SPIE 8943, Photons Plus Ultrasound: Imaging and Sensing 2014, 89433H (3 March 2014); doi: 10.1117/12.2037926
Show Author Affiliations
Liren Zhu, Washington Univ. in St. Louis (United States)
Liang Gao, Washington Univ. in St. Louis (United States)
Lei Li, Washington Univ. in St. Louis (United States)
Lidai Wang, Washington Univ. in St. Louis (United States)
Teng Ma, The Univ. of Southern California (United States)
Qifa Zhou, The Univ. of Southern California (United States)
K. Kirk Shung, The Univ. of Southern California (United States)
Lihong V. Wang, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 8943:
Photons Plus Ultrasound: Imaging and Sensing 2014
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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