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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 13 — May. 1, 2012
  • pp: 2451–2456

Dual-mode surface-plasmon sensor based on bimetallic film

G. Dyankov, M. Zekriti, and M. Bousmina  »View Author Affiliations


Applied Optics, Vol. 51, Issue 13, pp. 2451-2456 (2012)
http://dx.doi.org/10.1364/AO.51.002451


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Abstract

We propose a plasmonic structure, based on a silver-gold two-layered metallic film, where two surface plasmons (SPs) with equal propagation constants are excited simultaneously at different wavelengths. We show theoretically that the bimetallic film provides unique opportunities for manipulation of plasmons and optimization of the accuracy and cross-sensitivity. The structure can be used as an effective self-reference SP sensor in wavelength-interrogated design.

© 2012 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Optics at Surfaces

History
Original Manuscript: January 23, 2012
Revised Manuscript: March 13, 2012
Manuscript Accepted: March 16, 2012
Published: May 1, 2012

Citation
G. Dyankov, M. Zekriti, and M. Bousmina, "Dual-mode surface-plasmon sensor based on bimetallic film," Appl. Opt. 51, 2451-2456 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-13-2451

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