Novel fiber optic acoustic sensor based on asymmetrically sensitive Sagnac interferometer

Mikhail I. Belovolov; Vladimir S. Belov; Kirill A. Zykov-Myzin; Anatolii P. Orlov; Alexey V. Gladyshev; Maxim A. Gorskii; Evgeny M. Dianov

doi:10.1117/12.624409

23 May 2005 Novel fiber optic acoustic sensor based on asymmetrically sensitive Sagnac interferometer

Mikhail I. Belovolov, Vladimir S. Belov, Kirill A. Zykov-Myzin, Anatolii P. Orlov, Alexey V. Gladyshev, Maxim A. Gorskii, Evgeny M. Dianov

Author Affiliations +

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.624409
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

A novel configuration of a single-loop Sagnac interferometric acoustic sensor based on asymmetric desensitization of a half of the coil (loop) to phase modulation is presented. Sensitivity as high as 10^-5 Pa at a maximum frequency response of ~8 kHz is demonstrated in underwater experiments.

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Mikhail I. Belovolov, Vladimir S. Belov, Kirill A. Zykov-Myzin, Anatolii P. Orlov, Alexey V. Gladyshev, Maxim A. Gorskii, and Evgeny M. Dianov "Novel fiber optic acoustic sensor based on asymmetrically sensitive Sagnac interferometer", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.624409

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