Practical fiber-optic Bragg grating strain gauge system

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作者：
机构：
[1] Melle, Serge M.
[2] Liu, Kexing
[3] Measures, Raymond M.
来源：
Melle, Serge M. | 1600年 / Optical Soc of America, Washington, DC, United States卷 / 32期
关键词：
Dynamics - Fiber optics - Sensors - Strain;
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摘要：
A presentation is given of a fiber-optic strain gauge which provides an accurate measurement of static and dynamic strains. The device discussed consists of a Bragg grating-based strain sensor system. The authors consider this system to be superior than sinusoidal-response interferometric, polarimeteric, or modal domain sensors. The Bragg grating strain sensitivity is described, asa well as the passive wavelength demodulation system. Finally a test was conducted to evaluate the performance of the strain gage system.
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