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. 2020 Jan 24;6(4):eaay5206. doi: 10.1126/sciadv.aay5206

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 4 — (A) Radiance distribution of 830-nm laser in skin model with a configuration of the oblique angle (off-axis) laser illumination. Scale bar, 500 μm. (B) Radiance distribution of 830-nm laser in the same skin model when a conventional probe (on-axis) is applied (the same scale bar applied). (C) Fraction of sampling voxels in off-axis and on-axis configuration as a function of depth in the confined region.