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Proceedings Paper

Refractive index and viscosity: dual sensing with plastic fibre gratings
Author(s): Ricardo Ferreira; Lúcia Bilro; Carlos Marques; Ricardo Oliveira; Rogério Nogueira
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Paper Abstract

A refractive index and viscosity sensor based on FBGs in mPOF is reported for the first time. The refractive index was measured with a sensitivity of -10:98nm=RIU and a resolution of 1 – 10-4RIU. Viscosity measurements were performed with acousto-optic modulation, obtaining a sensitivity of -94:42%=mPa • s and a resolution of 0:06mPa • s.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915793 (2 June 2014); doi: 10.1117/12.2058833
Show Author Affiliations
Ricardo Ferreira, Univ. de Aveiro (Portugal)
Lúcia Bilro, Instituto de Telecomunicações (Portugal)
Carlos Marques, Instituto de Telecomunicações (Portugal)
Ricardo Oliveira, Instituto de Telecomunicações (Portugal)
Rogério Nogueira, Instituto de Telecomunicações (Portugal)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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