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>Temperature-insensitive fiber Bragg grating based Tilt sensor with large dynamic range
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Temperature-insensitive fiber Bragg grating based Tilt sensor with large dynamic range
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机译:基于温度不敏感的布拉格光栅的动态范围大的倾斜传感器
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摘要
We present a novel and simple temperature-insensitive fiber Bragg grating (FBG) based smart tilt sensor. The sensor design is free from any inherent mechanical joints/frictions with a capability to measure magnitude as well as the direction of the inclination. The first design is with a sensitivity of 0.00282 nm/ in a very large dynamic range of . The sensor response is optimized against design parameters and observed to be completely reversible. Since there is a strain discrepancy on individual FBGs of the first design, a modified design is then proposed for optimization. An excellent sensitivity of 0.0395 nm/, resolution of 0.013° and accuracy of 0.051 have been achieved. These features along with the freedom to tune the dynamic range, accuracy of measurement and the sensitivity of the proposed sensor to a desired operation range make the proposed sensor of extreme importance for practical engineering applications.
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