Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/9863
Title: Highly sensitive, localized surface plasmon resonance fiber device for environmental sensing, based upon a structured bi-metal array of nano-wires
Authors: Allsop, Thomas P. 
Neal, Ron M. 
Chengbo, Mou 
Kalli, Kyriacos 
Webb, David J. 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Keywords: Environmental sensing;Fiber devices;Localized surface plasmon resonance;Metal arrays
Issue Date: 15-Oct-2014
Source: Optics Letters,2014, vol. 39, no. 20, pp. 5798-5801
Volume: 39
Issue: 20
Start page: 5798
End page: 5801
Journal: Optics letters 
Abstract: We demonstrate a bi-metal coated (platinum and gold or silver), localized surface plasmon resonance fiber sensor with an index sensitivity exceeding 11,900 nm/RIU, yielding an index resolution of 2 × 10-5 in the aqueous index regime. This is one of the highest index sensitivities achieved with an optical fiber sensor. The coatings consist of arrays of bi-metal nano-wires (typically 36 nm in radius and 20 μm in length), supported by a silicon dioxide thin film on a thin substrate of germanium, the nano-wires being perpendicular to the longitudinal axis of the D-shaped fiber.
URI: https://hdl.handle.net/20.500.14279/9863
ISSN: 01469592
DOI: 10.1364/OL.39.005798
Rights: © Optical Society of America
Type: Article
Affiliation : Cyprus University of Technology 
Aston University 
University of Plymouth 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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