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Proceedings Paper

Excitation of multiple surface-plasmon polariton waves at metal/chiral sculptured thin film interfaces
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Paper Abstract

We excited multiple surface-plasmon-polariton (SPP) waves guided by the interface of a metal and a chiral sculptured thin film (STF). Chiral STFs made by thermally evaporating NaF and either 3, 4, or 5 periods in thickness were deposited on a metal film by oblique angle deposition accompanied by substrate rotation, each period being 300 nm, for plasmonic investigations in the Turbadar-Kretschmann-Raether (TKR) configuration. Reflectances were measured for a range of incidence angles for both p- and s-polarization states of the incident monochromatic light. Several reflectance minimums independent of the thickness of the chiral STF were obtained, indicating that multiple SPP waves had been excited.

Paper Details

Date Published: 10 October 2012
PDF: 10 pages
Proc. SPIE 8465, Nanostructured Thin Films V, 846513 (10 October 2012); doi: 10.1117/12.927859
Show Author Affiliations
Sema Erten, The Pennsylvania State Univ. (United States)
Akhlesh Lakhtakia, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 8465:
Nanostructured Thin Films V
Tom G. Mackay; Yi-Jun Jen; Raúl J. Martín-Palma, Editor(s)

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