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Dual-mode surface-plasmon sensor based on bimetallic film |
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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