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Title: Exploitation of multilayer coatings for infrared surface plasmon resonance fiber sensors
Authors: Allsop, Thomas D P 
Neal, Ron M. 
Mou, Chengbo 
Brown, Patrick R. 
Saied, Sayah O. 
Rehman, Saeed Ur 
Kalli, Kyriacos 
Webb, David J. 
Sullivan, John L. 
Mapps, Desmond J. 
Bennion, Ian 
Keywords: Fiber Sensor;Film preparation;Plasmons
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 10-Jan-2009
Publisher: Optical Society of America
Source: Applied Optics, Vol. 48, no. 2, pp. 276-286
Journal: Applied Optics 
Abstract: We demonstrate surface plasmon resonance (SPR) fiber devices based upon ultraviolet inscription of a grating-type structure into both single-layered and multilayered thin films deposited on the flat side of a lapped D-shaped fiber. The single-layered devices were fabricated from germanium, while the multilayered ones comprised layers of germanium, silica, and silver. Some of the devices operated in air with high coupling efficiency in excess of 40 dB and an estimated index sensitivity of Δλ/Δn=90 nm from 1 to 1.15 index range, while others provided an index sensitivity of Δλ/Δn=6790 nm for refractive indices from 1.33 to 1.37.
ISSN: 1559-128X (print)
2155-3165 (online)
DOI: 10.1364/AO.48.000276
Rights: © 2009 Optical Society of America
Type: Article
Appears in Collections:Άρθρα/Articles

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