We directly measure the dielectric properties of different metals relevant to plasmonics using THz time-domain spectroscopy. The computed permittivity values differ significantly from published data, but agree well with other measured parameters.
© 2012 OSA
S. Pandey and A. Nahata, "Direct Measurement of Surface Plasmon Properties on Different Metals using Terahertz Time-Domain Spectroscopy," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW2A.53.
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