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THz spectroscopy of nanostructures

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Abstract

Terahertz (THz) time-domain spectroscopy provides a powerful tool to determine the frequency-dependent conductivity of materials using propagating electromagnetic waves. The approach permits probing nanostructures and bulk materials that are difficult to contact. We describe recent measurements on photoexcited semiconductor nanoparticles and insulators.

© 2004 Optical Society of America

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