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. 2013 Mar 21;4(4):584–595. doi: 10.1364/BOE.4.000584

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©2013 Optical Society of America

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License, which permits download and redistribution, provided that the original work is properly cited. This license restricts the article from being modified or used commercially.

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Fig. 1 — TEM images of gold nanorods used in this study: a, Au700; b, Au756; c, Au844; d, Au1060. Insets in a–d are TPL images of a single nanorod at 840 nm excitation within the spectral range of 400-720 nm. Scale bars in TEM and TPL images represent 20 nm and 1 µm, respectively. e, Schematic diagram of the laser scanning TPL microscope. EOM, electro-optic modulator; PMT, photomultiplier tube.