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Type: Artigo de evento
Title: Micro-size Tapered Silica Fibers For Sensing Applications
Author: Ramos Gonzales R.E.
Chillcce E.F.
Barbosa L.C.
Abstract: In this work we show results of controlled tapered fibers using a Vytran instrument. The tapered silica fibers were produced by pulling a 50μm length by heating time. The minimum taper diameter was around 3μm and the maximum taper length was around 600μm. The evanescent field effect, in the near infra red (NIR) region, was observed to the tapers with diameter inferior to 15μm. These micro-size tapers no modify the waveguide dispersion spectra. This device could be used to splice a conventional fiber to photonic crystal fibers and also as liquid and gas sensors In this work is reported a fiber optic sensor in the form of taper using the concept of the evanescent field. We show the sensor sensitivity using different liquid materials. © 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
Rights: aberto
Identifier DOI: 10.1117/12.892784
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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