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Fundamental experiment of wavelength-shift detection for strain measurement using fiber Bragg grating

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5 Author(s)
Y. Shinoda ; Nihon Univ., Tokyo, Jamaica ; J. Sanada ; C. Katano ; Y. Sakumoto
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We describe detection of Bragg wavelength shift in dynamic strain measurement by combining a fiber Bragg grating (FBG) with an unbalanced Mach-Zehnder interferometer using serrodyne modulation. We also use a serrodyne coefficient to describe the effects of a pseudo-heterodyne interferometry based on serrodyne modulation when measuring the Bragg wavelength-shift as a phase change.

Published in:

SICE 2004 Annual Conference  (Volume:2 )

Date of Conference:

4-6 Aug. 2004