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Proceedings Paper

Surface multiplasmonics for optical sensing
Author(s): Stephen E. Swiontek; Drew P. Pulsifer; Akhlesh Lakhtakia
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Paper Abstract

Multiple surface plasmon-polariton (SPP)-wave modes can be guided by the interface of a metal and a chiral sculptured thin film (STF). Theory predicts that the angular locations of SPP-wave modes will be shifted if the void regions of the chiral STF are infiltrated with a liquid. Therefore, chiral STFs of lanthanum fluoride were fabricated and employed as a partnering dielectric material to an aluminum thin film to guide multiple SPP-wave modes. The SPP-wave modes shifted to higher angular locations when the refractive index of the infiltrant was increased, exhibiting sensitivity comparable to state-of-research values. Thereby, surface multiplasmonics was exploited for optical sensing.

Paper Details

Date Published: 30 September 2013
PDF: 6 pages
Proc. SPIE 8833, Tribute to H. John Caulfield, 883309 (30 September 2013); doi: 10.1117/12.2022273
Show Author Affiliations
Stephen E. Swiontek, The Pennsylvania State Univ. (United States)
Drew P. Pulsifer, The Pennsylvania State Univ. (United States)
Akhlesh Lakhtakia, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 8833:
Tribute to H. John Caulfield
Jorge Ojeda-Castaneda; María J. Yzuel; R. Barry Johnson, Editor(s)

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