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Proceedings Paper

Strain sensing using a fiber-optic Bragg grating
Author(s): Serge Melle; Kexing Liu; Raymond M. Measures
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Paper Abstract

This paper reports on the development of a passive, fast demodulation system for use with in-fiber Bragg gratings used for strain or temperature measurements. This compact, potentially inexpensive self-referencing system permits absolute strain/temperature measurements over a wide dynamic range with fast temporal response by tracking the wavelength shifts of the narrow-band back-reflected Bragg spectrum. The wavelength, bandwidth and strain sensitivity of a Bragg sensor are discussed, and examples of both static and dynamic strain measurements are shown.

Paper Details

Date Published: 1 December 1991
PDF: 9 pages
Proc. SPIE 1588, Fiber Optic Smart Structures and Skins IV, (1 December 1991); doi: 10.1117/12.50184
Show Author Affiliations
Serge Melle, Univ. of Toronto (Canada)
Kexing Liu, Univ. of Toronto (Canada)
Raymond M. Measures, Univ. of Toronto (Canada)


Published in SPIE Proceedings Vol. 1588:
Fiber Optic Smart Structures and Skins IV

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