Characterization of infrared surface plasmon resonances generated from a fiber-optical sensor utilizing tilted Bragg gratings

Abstract

We demonstrate the use of tilted fiber gratings to assist with the generation of infrared surface plasmons on a metal film coating the flat of a D-shaped fiber. The wavelength of the strong (>25 dB) resonance is tunable over similar to 1000 nm by adjusting the polarization state of the light and is highly sensitive to the refractive index of any aqueous medium surrounding the fiber (sensitivity= 3365 nm).

Publication DOI: https://doi.org/10.1364/JOSAB.25.000481
Divisions: College of Engineering & Physical Sciences > School of Informatics and Digital Engineering > Electrical and Electronic Engineering
College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: © 2008 Optical Society of America
Uncontrolled Keywords: tilted fiber gratings,generation,infrared surface plasmons,metal film coating,flat,D-shaped fiber,wavelength,strong resonance,refractive index,aqueous medium,Atomic and Molecular Physics, and Optics
Publication ISSN: 1520-8540
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
http://www.opti ... =josab-25-4-481 (Publisher URL)
PURE Output Type: Article
Published Date: 2008-04-01
Authors: Allsop, Thomas D.P. (ORCID Profile 0000-0001-8905-9014)
Neal, Ron
Rehman, Saeed
Webb, David J. (ORCID Profile 0000-0002-5495-1296)
Mapps, Des J.
Bennion, Ian

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