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. 2020 Sep 23;20:100207. doi: 10.1016/j.pacs.2020.100207

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© 2020 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Fig. 8 — (A) In vivo photoacoustic image of microvasculature of a mouse ear. (a) Photoacoustic maximum intensity projection of the microvasculature of a mouse ear. The total time for obtaining the photoacoustic image is 16.7 min. Inset: photograph of the imaging area. (b)–(d) B-scan image of microvasculature corresponding to the three white dotted line in (a) Reprinted from [185], with the permission of AIP Publishing (B) Schematic of the experimental setup. The probe beam and the excitation beam are combined and scanned together. APD, avalanche photodetector; ND, neutral density filter; Col, collimator; BS, beam splitter; DM, dichroic mirror; L, lens; OL, objective lens; P, fiber-optic coupler port; PC, polarization controller; PD, photodetector, Reprinted with permission from [187].