期刊
MEASUREMENT SCIENCE AND TECHNOLOGY
卷 12, 期 7, 页码 800-804出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-0233/12/7/308
关键词
fibre-optic sensor; two-mode birefringent fibre; fibre Bragg grating
A method for measuring the sensitivity of Bragg gratings to external parameters for different spatial and polarization modes is presented together with the results of measurements of sensitivity to temperature and elongation for LP01x, LP01y, LP11x and LP11y modes. The difference in response according to the type of mode shows the possibility of performing simultaneous temperature and elongation measurements using two-mode Bragg gratings.
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