Smart fiber-optical sensor of acoustic pressure with a possibility of distant correction of sensitivity

F. A. Egorov; V. V. Amelichev; S. S. Generalov; S. V. Nikiforov; S. V. Shamanaev; Ya. V. Goldberg

doi:10.1134/S106373971605005X

Smart fiber-optical sensor of acoustic pressure with a possibility of distant correction of sensitivity

Authors: Egorov F.A.¹, Amelichev V.V.², Generalov S.S.², Nikiforov S.V.², Shamanaev S.V.², Goldberg Y.V.²
Affiliations:
1. Kotelnikov Institute of Radio Engineering and Electronics, Fryazino Branch
2. Scientific-Production Enterprise Technology MIET
Issue: Vol 45, No 6 (2016)
Pages: 442-445
Section: Article
URL: https://journal-vniispk.ru/1063-7397/article/view/185834
DOI: https://doi.org/10.1134/S106373971605005X
ID: 185834

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Abstract

A method for the self-calibration of a remote fiber-optic hydrophone (FOH) providing the maximum sensitivity of the sensor in harsh exploitation conditions is proposed. The method is based on the periodic remote control of the current values of the key parameters characterizing the elastic and mechanical properties of the sensor element-micromembrane and optical properties of the measuring Fabry-Perot interferometer that determine the FOH sensitivity at large.