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Reflectometric temperature measurement using a “single-mode-multimode-single-mode” fiber optic structure
A. Yu. Igumenovab, I. V. Mel’nikovac, A. A. Afanasieva, S. S. Popovaa, S. N. Lukinykhbd, I. A. Tambasovef a Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region
b "T8" LLC, Moscow, Russia
c Institute of Dynamics of Geospheres, Russian Academy of Sciences, Moscow, Russia
d Lomonosov Moscow State University, Moscow, Russia
e L. V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
f LLC "Scientific and production company "Spetstechnauka", Krasnoyarsk, Russia
Abstract:
It is shown the “single-mode-multimode-single-mode” structure allows carrying out remote temperature measurement with optical time domain reflectometer. A multimode fiber length was 10 mm. We used the temperature range from 30 to 70$^\circ$C and wavelengths of 1310 and 1550 nm. The total length of a single-mode fiber-optic line for reflectometric measurements was 20 km.
Keywords:
fiber optics, fiber optic sensors, optical fiber reflectometry, multimode interference.
Received: 01.06.2022 Revised: 14.07.2022 Accepted: 14.07.2022
Citation:
A. Yu. Igumenov, I. V. Mel’nikov, A. A. Afanasiev, S. S. Popova, S. N. Lukinykh, I. A. Tambasov, “Reflectometric temperature measurement using a “single-mode-multimode-single-mode” fiber optic structure”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 48:17 (2022), 17–19
Linking options:
https://www.mathnet.ru/eng/pjtf7388 https://www.mathnet.ru/eng/pjtf/v48/i17/p17
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