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Τίτλος: Low refractive index gas sensing using a surface plasmon resonance fibre device
Συγγραφείς: Kalli, Kyriacos 
Allsop, Thomas P. 
Neal, Ron M. 
Davies, Edward M. 
Mou, Chengbo 
Bond, Peter R. 
Rehman, Saeed Ur 
Webb, David 
Calverhouse, P. 
Bennion, Ian 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Λέξεις-κλειδιά: Fibre optic sensors;Grating;Gas sensing;Surface plasmons
Ημερομηνία Έκδοσης: Σεπ-2010
Πηγή: Measurement Science and Technology, 2010, vol. 21, no. 9
Volume: 21
Issue: 9
Περιοδικό: Measurement Science and Technology 
Περίληψη: A series of surface plasmonic fibre devices were fabricated using multiple coatings deposited on a lapped section of a single mode fibre. Coupling from the guided mode to surface plasmons was promoted following UV laser irradiation of the coated region through a phase mask, which generated a surface relief grating structure. The devices showed high spectral sensitivities and strong coupling for low refractive indices as compared to other grating-type fibre devices. The plasmonic devices were used to detect the variation in the refractive indices of alkane gases with measured wavelength and coupling sensitivity to index of 3400 nm RIU -1 and 8300 dB RIU -1, respectively. As a demonstration of the performance of these gas sensors, a minimum concentration of 2% by volume of butane in ethane was achieved.
URI: https://hdl.handle.net/20.500.14279/4094
ISSN: 13616501
DOI: 10.1088/0957-0233/21/9/094029
Rights: © IOP
Type: Article
Affiliation: Aston University 
University of Plymouth 
STR Fiber Technologies 
Cyprus University of Technology 
Publication Type: Peer Reviewed
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