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Proceedings Paper

Anomalous transmission through heavily doped conducting polymer films with periodic subwavelength hole array
Author(s): Tatsunosuke Matsui; Z. Valy Vardeny; Amit Agrawal; Ajay Nahata; Reghu Menon
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Paper Abstract

We observed resonantly enhanced (or anomalous transmission) terahertz transmission through two-dimensional (2D) periodic arrays of subwavelength apertures with various periodicities fabricated on metallic organic conducting polymer films of polypyrrole heavily doped with PF6 molecules [PPy(PF6)]. The anomalous transmission spectra are in good agreement with a model involving surface plasmon polariton excitations on the film surfaces. We also found that the resonantly enhanced transmission peaks are broader in the exotic metallic PPy(PF6) films compared to those formed in 2D aperture array in regular metallic films such as silver, indicating that the surface plasmon polaritons on the PPy(PF6) film surfaces have higher attenuation.

Paper Details

Date Published: 3 October 2006
PDF: 8 pages
Proc. SPIE 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV, 632317 (3 October 2006); doi: 10.1117/12.680807
Show Author Affiliations
Tatsunosuke Matsui, Univ. of Utah (United States)
Z. Valy Vardeny, Univ. of Utah (United States)
Amit Agrawal, Univ. of Utah (United States)
Ajay Nahata, Univ. of Utah (United States)
Reghu Menon, Indian Institute of Science, Bangalore (India)

Published in SPIE Proceedings Vol. 6323:
Plasmonics: Metallic Nanostructures and their Optical Properties IV
Mark I. Stockman, Editor(s)

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