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Research on the Influence of the Degree of Acoustic Sealing of Acoustically Conditioned Sound Protective Cases of Fiber-Optic Interferometers on their Characteristics

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Abstract

This article is devoted to the study of the influence of acoustic environmental impacts on the operation of fiber-optic interferometers and measuring systems that are based on them. A method for reducing this influence by using an acoustically conditioned sound-proofing case for operation in the presence of external impacts in a frequency range of 20 to 20 000 Hz is considered. A mathematical model and the results of its research are presented; the calculated dependence of the degree of reducing the acoustic sensitivity of a fiber-optic interferometer on the degree of acoustic sealing of its case is obtained. An experimental setup and a technique for experimental evaluation of the degree of acoustic sealing when studying the cases of devices were developed.

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Funding

This study was supported by the Ministry of Education and Science of the Russian Federation (Contract no. 075-11-2019-026, November 27, 2019).

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Authors and Affiliations

  1. St. Petersburg National Research University of Information Technologies, Mechanics, and Optics (ITMO University), 197101, St. Petersburg, Russia

    A. A. Vlasov, A. V. Varlamov, A. N. Ashirov, N. E. Kikilich & A. S. Aleinik

  2. Ioffe Physical Technical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, 194021, St. Petersburg, Russia

    A. V. Varlamov

Authors
  1. A. A. Vlasov
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  2. A. V. Varlamov
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  3. A. N. Ashirov
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  4. N. E. Kikilich
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  5. A. S. Aleinik
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Corresponding author

Correspondence to A. A. Vlasov.

Additional information

Translated by A. Seferov

The results of this research were presented and discussed at the third International Conference “Optical Reflectometry, Metrology, and Sensorics 2020” (http://or-2020.permsc.ru/, September 22–24, Perm, Russia).

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Vlasov, A.A., Varlamov, A.V., Ashirov, A.N. et al. Research on the Influence of the Degree of Acoustic Sealing of Acoustically Conditioned Sound Protective Cases of Fiber-Optic Interferometers on their Characteristics. Instrum Exp Tech 63, 502–506 (2020). https://doi.org/10.1134/S0020441220040351

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  • DOI: https://doi.org/10.1134/S0020441220040351

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