Multiplexing of fibre optic reflective sensors using Bragg gratings

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Bal, Harpreet Kaur, Sidiroglou, Fotios, Collins, Stephen F and Brodzeli, Zourab (2010) Multiplexing of fibre optic reflective sensors using Bragg gratings. Measurement Science and Technology, 21 (9). ISSN 0957-0233


A multiplexing method for a fibre optic refractive index sensor is presented that is potentially capable of simultaneous measurement from many sensor heads, each of which is a cleaved fibre end. Associated with each sensor head are two fibre couplers and an optical fibre Bragg grating having a unique Bragg wavelength. Experimental characterization of the sensor network through the use of liquids with different refractive indices showed excellent agreement with numerical analysis and a precision of 0.002 RIU and resolution of the order of 10−3 RIU.

Item type Article
Subjects Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > RFCD Classification > 290000 Engineering and Technology
Historical > Faculty/School/Research Centre/Department > Centre for Telecommunications and Micro-Electronics (CTME)
Keywords fiber optics, sensors, Bragg grattings, optics
Citations in Scopus 5 - View on Scopus
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