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. 2017 Dec 8;3(12):eaao5520. doi: 10.1126/sciadv.aao5520

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Copyright © 2017 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 — Experimental configuration for photocurrent scan map generation using conventional focusing (A) and TRUE focusing (B). The normalized photocurrent enhancement as a function of lateral focal scanning position for conventional (C) and TRUE focusing (D). Scale bar, 100 μm.