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Conferences > OTST > 2007 > ME > ME3

Plasmon-enhanced terahertz near-field spectroscopy

Hui Zhan, Michael Hvasta, Victoria Astley, Jason A. Deibel, Daniel M. Mittleman, Feng Hao, Peter Nordlander, and Y. Lim

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Abstract

We observe a terahertz field enhancement in the junction between a sub-wavelength metal probe tip and a metallic substrate. We exploit this in the first observation of a metal-insulator phase transition using terahertz near-field techniques.

© 2007 Optical Society of America

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