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|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.
Webb, David J.
|Keywords:||Environmental sensing;Fiber devices;Localized surface plasmon resonance;Metal arrays||Category:||Electrical Engineering - Electronic Engineering - Information Engineering||Field:||Engineering and Technology||Issue Date:||15-Oct-2014||Publisher:||Optical Society of American (OSA)||Source:||Optics Letters, vol. 39, no. 20, 15 October 2014, pp. 5798-5801||DOI:||10.1364/OL.39.005798||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.||ISSN:||0146-9592||DOI:||10.1364/OL.39.005798||Rights:||© 2014 Optical Society of America||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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