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Type: Artigo de periódico
Title: Curvature And Temperature Discrimination Using Multimode Interference Fiber Optic Structuresa Proof Of Concept
Author: Silva S.
Pachon E.G.P.
Franco M.A.R.
Jorge P.
Santos J.L.
Xavier Malcata F.
Cordeiro C.M.B.
Frazao O.
Abstract: Singlemode-multimode-singlemode fiber structures (SMS) based on distinct sections of a pure silica multimode fiber (coreless-MMF) with diameters of 125 and 55 μm, were reported for the measurement of curvature and temperature. The sensing concept relies on the multimode interference that occurs in the coreless-MMF section and, in accordance with the length of the MMF section used, two fiber devices were developed: one based on a bandpass filter (self-image effect) and the other on a band-rejection filter. Maximum sensitivities of 64.7 nṁm and 13.08 pm° C could be attained, for curvature and temperature, respectively, using the band-rejection filter with 55 μ m-MMF diameter. A proof of concept was also explored for the simultaneous measurement of curvature and temperature by means of the matrix method. © 2012 IEEE.
Rights: fechado
Identifier DOI: 10.1109/JLT.2012.2222865
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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