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Proceedings Paper

Static and dynamic strain fiber Bragg grating sensor interrogation using a monolithically integrated echelle diffractive grating
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Paper Abstract

We report a miniaturized wavelength interrogator for the static and dynamic strain fiber Bragg grating sensors. The developed interrogator is based on a monolithically integrated echelle diffractive grating and works in two independent modes, one for the static strain measurement and the other for dynamic strain measurement. The proposed interrogator is evaluated by measureing a static strain of 400 με and a dynamic strain of 200 Hz with a peak-to-peak amplitude of 200 με. Initial results are excellent and show that these two interrogation modes can be potentially performed simultaneously.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775379 (17 May 2011); doi: 10.1117/12.885043
Show Author Affiliations
Honglei Guo, Univ. of Ottawa (Canada)
Gaozhi Xiao, National Research Council Canada (Canada)
Nezih Mrad, National Defence Headquarters (Canada)
Jianping Yao, Univ. of Ottawa (Canada)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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