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. 2019 Jul 24;24(7):076003. doi: 10.1117/1.JBO.24.7.076003

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© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 2 — (a) Experimental setup showing a 0.5-mm-thick PVA phantom suspended on water boundary. An air-coupled $A μ T$ transducer can be seen in the upper left. A red dotted line denotes an OCT B-scan line. (b) OCT structural image of thin-plate phantom. Note: uneven aspect ratio displayed to highlight phantom structure.