Fiber Optic Cables with High Acoustic Insulation


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Theoretical calculations and an experimental study of the degree of decrease in the acoustic sensitivity of an optical fiber in the frequency range of 20–20 000 Hz inside the cables of special design were carried out. A substantial decrease in acoustic sensitivity has been achieved, that is, more than –29 dB with respect to the standard single-mode SMF-28 fiber in a polymer shell. This result can significantly increase the threshold sensitivity of measuring systems based on fiber optic interferometers.

作者简介

A. Vlasov

National Research University of Information Technologies, Mechanics and Optics (ITMO University)

编辑信件的主要联系方式.
Email: salusnetklim@yandex.ru
俄罗斯联邦, St. Petersburg, 197101

A. Aleinik

National Research University of Information Technologies, Mechanics and Optics (ITMO University)

Email: salusnetklim@yandex.ru
俄罗斯联邦, St. Petersburg, 197101

A. Ashirov

National Research University of Information Technologies, Mechanics and Optics (ITMO University)

Email: salusnetklim@yandex.ru
俄罗斯联邦, St. Petersburg, 197101

M. Plotnikov

National Research University of Information Technologies, Mechanics and Optics (ITMO University)

Email: salusnetklim@yandex.ru
俄罗斯联邦, St. Petersburg, 197101

A. Varlamov

Ioffe Physical Technical Institute, Russian Academy of Sciences

Email: salusnetklim@yandex.ru
俄罗斯联邦, St. Petersburg, 194021

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