Optical-Fiber Surface-Plasmon Resonance Sensor with Multiple Resonance Peaks
Applied Optics, Vol. 43, Issue 6, pp. 1216-1220 (2004)
http://dx.doi.org/10.1364/AO.43.001216
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Abstract
We report on an optical fiber surface plasmon resonance sensor that exhibits multiple resonance peaks. The sensor is based on a uniform-waist single-mode tapered fiber coated on one side with a thin metal layer. Owing to the asymmetry of the sensor structure, the different hybrid surface plasmon modes supported by the semicircular layer can be excited by the fundamental fiber mode. As a result, the sensor transmission spectrum exhibits several dips that depend on the taper waist diameter. The advantages of a plasmon resonance sensor with multiple dips are discussed.
© 2004 Optical Society of America
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(240.6680) Optics at surfaces : Surface plasmons
Citation
David Monzón-Hernández, Joel Villatoro, Dimas Talavera, and Donato Luna-Moreno, "Optical-Fiber Surface-Plasmon Resonance Sensor with Multiple Resonance Peaks," Appl. Opt. 43, 1216-1220 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-6-1216
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