Time division multiplexing of fiber Bragg grating sensors using a mode-locked fiber laser source
Cranch, Geoffrey A. and Flockhart, Gordon M. H. and Kirkendall, Clay K.; Voet, M and Willsch, R and Ecke, W and Jones, J and Culshaw, B, eds. (2005) Time division multiplexing of fiber Bragg grating sensors using a mode-locked fiber laser source. In: 17th International Conference on Optical Fibre Sensors, Pts 1 and 2. Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE) . SPIE, BEL, pp. 238-241. ISBN 0819458554
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Abstract
An efficient multiplexing method for fiber Bragg grating sensors based on a broadband mode-locked laser source and interferometric interrogation is described. The system has the capability to interrogate several hundred fiber Bragg grating sensors on a single fiber, whilst achieving sub-microstrain resolution over bandwidths greater than 100 kHz. A demonstration system with 8 sensors is presented, which achieves strain resolutions less than 213 n epsilon/Hz(1/2) up to 100 Hz.
Creators(s): |
Cranch, Geoffrey A., Flockhart, Gordon M. H. ![]() | Item type: | Book Section |
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ID code: | 48771 |
Keywords: | time division multiplexing, mode-locked laser, fiber Bragg grating sensor, phase-sensitive detection, interrogation, scheme, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering |
Subjects: | Technology > Electrical engineering. Electronics Nuclear engineering |
Department: | Faculty of Engineering > Electronic and Electrical Engineering Technology and Innovation Centre > Sensors and Asset Management |
Depositing user: | Pure Administrator |
Date deposited: | 24 Jun 2014 15:17 |
Last modified: | 01 Jan 2021 06:48 |
URI: | https://strathprints.strath.ac.uk/id/eprint/48771 |
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