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Proceedings Paper

FMCW reflectometric optical fiber strain sensor
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Paper Abstract

This paper describes a quasi-distributed optical fiber strain sensor whose principle of operation is based on the coherent frequency-modulated continuous-wave reflectometry technique. The sensing system is basically composed of a laser diode, which is frequency-swept by a triangle waveform injection current, and an unbalanced two-beam interferometer.

Paper Details

Date Published: 6 August 2001
PDF: 9 pages
Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); doi: 10.1117/12.435539
Show Author Affiliations
Pei Chin Won, Nanyang Technological Univ. (Singapore)
Leong Keey Seah, Nanyang Technological Univ. (Singapore)
Anand Krishna Asundi, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 4328:
Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Eric Udd; Daniele Inaudi, Editor(s)

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