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Proceedings Paper

Micro-size tapered silica fibers for sensing applications
Author(s): Roddy E. Ramos Gonzáles; Enver F. Chillcce; Luiz C. Barbosa
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Paper 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.

Paper Details

Date Published: 7 September 2011
PDF: 7 pages
Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 81200K (7 September 2011); doi: 10.1117/12.892784
Show Author Affiliations
Roddy E. Ramos Gonzáles, Univ. Estadual de Campinas (Brazil)
Enver F. Chillcce, Univ. Estadual de Campinas (Brazil)
Luiz C. Barbosa, Univ. Estadual de Campinas (Brazil)


Published in SPIE Proceedings Vol. 8120:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V
Shizhuo Yin; Ruyan Guo, Editor(s)

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