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Published April 2014 | public
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Cross-beam Nonlinear Photoacoustic Microscopy

Zhu, Liren ORCID icon
Gao, Liang
Danielli, Amos
Li, Lei ORCID icon
Wang, Lidai
Ma, Teng
Zhou, Qifa
Shung, K. Kirk
Wang, Lihong V. ORCID icon
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Abstract

We present a cross-beam nonlinear photoacoustic microscopy (PAM) technique that enhances the axial resolution. By combining cross-beam illumination with optical nonlinearity, an axial resolution of 8.7 µm is measured experimentally, a fourfold improvement over the acoustically determined value.

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© 2014 Optical Society of America.

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