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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 13 — May. 1, 2002
  • pp: 2514–2520

Surface plasmon resonance sensor using an optical fiber with an inverted graded-index profile

Fabrice Bardin, Ivan Kašík, Alain Trouillet, Vlastimil Matějec, Henri Gagnaire, and Mirek Chomát  »View Author Affiliations


Applied Optics, Vol. 41, Issue 13, pp. 2514-2520 (2002)
http://dx.doi.org/10.1364/AO.41.002514


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Abstract

A new optical fiber sensor based on surface plasmon resonance is described. It uses an optical fiber with an inverted graded-index profile. A theoretical analysis of the optical propagation when a point light source was used and a computation of the optical power transmitted by the fiber were performed. Experiments were carried out to measure changes of the transmitted power caused by refractive-index variations of the surrounding dielectric medium. Both the simulation and experiments have shown that the sensor exhibits high sensitivity for changes of the surrounding medium in a refractive-index range from 1.33 to 1.39.

© 2002 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(240.6680) Optics at surfaces : Surface plasmons

History
Original Manuscript: July 25, 2001
Revised Manuscript: December 17, 2001
Published: May 1, 2002

Citation
Fabrice Bardin, Ivan Kašík, Alain Trouillet, Vlastimil Matějec, Henri Gagnaire, and Mirek Chomát, "Surface plasmon resonance sensor using an optical fiber with an inverted graded-index profile," Appl. Opt. 41, 2514-2520 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-13-2514

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