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Real space and real time observation of plasmon wavepacket dynamics in single gold nanorod

Y. Nishiyama, T. Narushima, K. Imura, and H. Okamoto

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Abstract

We applied ultrafast time-resolved near-field optical microscopy to spatio-temporal observation of plasmon dynamics in a gold nanorod. We found prominent changes of transient near-field images as time evolves, indicating coherent excitation of multiple plasmon modes.

© 2014 Optical Society of America

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