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Extraordinary transmission through high accuracy one dimensional periodic structures

 
: Pradarutti, B.; Torosyan, G.; Beigang, R.; Kawase, K.

:

Button, K.J. ; Institute of Electrical and Electronics Engineers -IEEE-:
IRMMW-THz 2005, Joint 30th International Conference on Infrared and Millimeter Waves & 13th International Conference on Terahertz Electronics : Williamsburg, Virginia, USA, September 19 - September 23, 2005
Piscataway, NJ: IEEE Operations Center, 2005
ISBN: 0-7803-9348-1
ISBN: 978-0-7803-9348-6
pp.215-216
International Conference on Infrared and Millimeter Waves (IRMMW) <30, 2005, Williamsburg/Va.>
International Conference on Terahertz Electronics (THz) <13, 2005, Williamsburg/Va.>
English
Conference Paper
Fraunhofer IOF ()

Abstract
We report on the extraordinary transmission through two different one dimensional periodic metallic structures in the Terahertz frequency range. The first structure made by fs-lasers with submicron precision has trapezoidal unit cells whereas the second structure consists of circular metallic rods in a row. Localized plasmons lead to highly enhanced transmission at frequencies higher than an effective plasma frequency while surface plasmons give minima in the transmission spectra. The observed Fano profiles are described analytically.

: http://publica.fraunhofer.de/documents/N-171384.html