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Zhurnal Tekhnicheskoi Fiziki, 2023, Volume 93, Issue 7, Pages 959–962
DOI: https://doi.org/10.21883/JTF.2023.07.55753.78-23 (Mi jtf7034) 		 
XXVII International Symposium "Nanophysics and Nanoelectronics" N. Novgorod, March 13-16, 2023
Photonics

A method for detecting small oscillations based on homodyne demodulation with a tandem low-coherence interferometer

P. V. Volkov, D. A. Semikov, O. S. Vyazankin, A. V. Goryunov, A. Yu. Luk'yanov, A. D. Tertyshnik

Institute for Physics of Microstructures, Russian Academy of Sciences, 603950 Nizhny Novgorod, Russia
Full-text PDF (348 kB)
DOI: https://doi.org/10.21883/JTF.2023.07.55753.78-23
Abstract: The paper proposes a method for detecting small oscillations in the length of interference fiber-optic sensors, which makes it possible to compensate for the problem of slow drift of the working point with a remote sensor. The result is achieved by combining homodyne demodulation methods with a tandem low-coherence interferometer. Theoretically and experimentally, the possibility of detecting acoustic effects in the operating frequency band of 4 kHz with a sensitivity of up to 0.3 nm has been shown. Keywords:
Keywords: Homodyne demodulation, tandem low-coherence interferometry, Michelson interferometer, fiber-optic sensors.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 0030-2021-0023
The study has been performed under the state assignment of the Institute for Physics of Microstructures of the Russian Academy of Sciences (subject № 0030-2021-0023).
Received: 09.04.2023
Revised: 09.04.2023
Accepted: 09.04.2023
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: P. V. Volkov, D. A. Semikov, O. S. Vyazankin, A. V. Goryunov, A. Yu. Luk'yanov, A. D. Tertyshnik, “A method for detecting small oscillations based on homodyne demodulation with a tandem low-coherence interferometer”, Zhurnal Tekhnicheskoi Fiziki, 93:7 (2023), 959–962
Citation in format AMSBIB
\Bibitem{VolSemVya23}
\by P.~V.~Volkov, D.~A.~Semikov, O.~S.~Vyazankin, A.~V.~Goryunov, A.~Yu.~Luk'yanov, A.~D.~Tertyshnik
\paper A method for detecting small oscillations based on homodyne demodulation with a tandem low-coherence interferometer
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2023
\vol 93
\issue 7
\pages 959--962
\mathnet{http://mi.mathnet.ru/jtf7034}
\crossref{https://doi.org/10.21883/JTF.2023.07.55753.78-23}
\elib{https://elibrary.ru/item.asp?id=54384497}
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