Micro-size tapered silica fibers for sensing applications

Roddy E. Ramos Gonzáles; Enver F. Chillcce; Luiz C. Barbosa

doi:10.1117/12.892784

7 September 2011 Micro-size tapered silica fibers for sensing applications

Roddy E. Ramos Gonzáles, Enver F. Chillcce, Luiz C. Barbosa

Proceedings Volume 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V; 81200K (2011) https://doi.org/10.1117/12.892784
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

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.

Citation Download Citation

Roddy E. Ramos Gonzáles, Enver F. Chillcce, and Luiz C. Barbosa "Micro-size tapered silica fibers for sensing applications", Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 81200K (7 September 2011); https://doi.org/10.1117/12.892784

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