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Fiber-optic Temperature Sensing with Silicon Fabry–Perot Interferometer Using Spectral Low-coherence Interferometry

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Abstract

A fiber-optic temperature sensor with a silicon Fabry–Perot interferometer (FPI) using spectral low-coherence interferometry (channeled spectrum) was implemented to measure cryogenic temperature. The sensitivity of a silicon FPI with a cavity length of 36 μm in the temperature range 77–300 K was about 1.5 K.

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ACKNOWLEDGMENTS

The work was carried out within the framerwork of the state task.

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Correspondence to V. T. Potapov.

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Potapov, V.T., Zhamaletdinov, N.M. Fiber-optic Temperature Sensing with Silicon Fabry–Perot Interferometer Using Spectral Low-coherence Interferometry. Instrum Exp Tech 65, 440–443 (2022). https://doi.org/10.1134/S0020441222030125

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  • DOI: https://doi.org/10.1134/S0020441222030125

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