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A novel temperature-insensitive strain sensor based on bandwidth demodulation of the reflected light from the tapered fiber grating is presented, which is simple and low-cost and has considerable potential particularly application for strain sensing, and with the development of the interrogation system, it can demodulate both the bandwidth and the center wavelength of the reflected light from TFG to measure strain and temperature simultaneously.
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This work is supported by the Innovation Foundation of China Aerospace Science and Technology (No. 021390-068)
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Yang, Xh., Yu, Ys., Zhang, Qh. et al. A novel temperature-insensitive strain sensor based on tapered fiber grating. Optoelectron. Lett. 3, 342–345 (2007). https://doi.org/10.1007/s11801-007-6191-3
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DOI: https://doi.org/10.1007/s11801-007-6191-3