SnO2 based optical fiber refractometers

P. Sánchez; C. R. Zamarreño; M. Hernaez; I. Del Villar; I. R. Matias; F. J. Arregui

doi:10.1117/12.975021

7 November 2012 SnO₂ based optical fiber refractometers

P. Sánchez, C. R. Zamarreño, M. Hernaez, I. Del Villar, I. R. Matias, F. J. Arregui

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84216B (2012) https://doi.org/10.1117/12.975021
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

In this work, the fabrication and characterization of refractometers based on lossy mode resonances (LMR) is presented. Tin dioxide (SnO₂) films deposited on optical fibers are used as the LMR supporting coatings. These resonances shift to the red as a function of the external refractive index, enabling the fabrication of robust and highly reproducible wavelength-based optical fiber refractometers. The obtained SnO₂-based refractometer shows an average sensitivity of 7198 nm/refractive index unit (RIU) in the range 1.333-1.420 RIU.

Citation Download Citation

P. Sánchez, C. R. Zamarreño, M. Hernaez, I. Del Villar, I. R. Matias, and F. J. Arregui "SnO₂ based optical fiber refractometers", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216B (7 November 2012); https://doi.org/10.1117/12.975021

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