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PHOTOACOUSTICS

Acoustic sensing with light

Nature Photonics volume 15, pages 324–326 (2021)Cite this article

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Optical acoustic sensors have gained interest for use in photoacoustic imaging systems, but can they dethrone conventional piezoelectric sensors altogether?

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Fig. 1: Comparison of NEPD between an example optical sensor and typical piezoelectric transducers in the two variants of PAT.

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Authors and Affiliations

  1. Caltech Optical Imaging Laboratory, Andrew and Peggy Cherng Department of Medical Engineering, Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA

    David C. Garrett & Lihong V. Wang

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  1. David C. Garrett
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  2. Lihong V. Wang
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Correspondence to Lihong V. Wang.

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Competing interests

L.W. has a financial interest in Microphotoacoustics, Inc., CalPACT, LLC, and Union Photoacoustic Technologies, Ltd., which, however, did not support this work.

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Garrett, D.C., Wang, L.V. Acoustic sensing with light. Nat. Photonics 15, 324–326 (2021). https://doi.org/10.1038/s41566-021-00804-z

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