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Conferences > LAOP > 2016 > LW2C > LW2C.2

In-series fiber Bragg gratings and multimode interferometers for sensing applications

Ricardo Oliveira, Jonas H. Osório, Stenio Aristilde, Rogério N. Nogueira, and Cristiano M. B. Cordeiro

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Abstract

Bragg gratings and multimode interferometers are employed for monitoring strain, refractive index, temperature and liquid level variations. Resolutions of 4.3 με, 1.6 ºC and 4 × 10−4 RIU were obtained for strain, temperature and refractive index respectively. Liquid level measurements revealed a sensitivity of 0.25 dB/mm.

© 2016 Optical Society of America

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