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