Fiber-optic hydrophone based on adaptive holographic interferometer

Michail N. Bezruk; Sergey A. Ermolaev; Yury N. Kulchin; Roman V. Romashko

doi:10.1117/12.2268119

14 December 2016 Fiber-optic hydrophone based on adaptive holographic interferometer

Michail N. Bezruk, Sergey A. Ermolaev, Yury N. Kulchin, Roman V. Romashko

Proceedings Volume 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics; 1017614 (2016) https://doi.org/10.1117/12.2268119
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 2016, Khabarovsk, Russia

Abstract

In this paper, we developed and investigated an adaptive fiber-optic hydrophone based on adaptive holographic interferometer which key element is dynamic hologram recorded in a photorefractive crystal of cubic symmetry in orthogonal geometry. Different modifications of primary fiber-optic receivers of acoustic pressure are designed and studied. The adaptive hydrophone provides high sensitivity to acoustic pressure (up to 8.6 mV/Pa) and high level of immunity to all kind of noisy instabilities of environment.

Citation Download Citation

Michail N. Bezruk, Sergey A. Ermolaev, Yury N. Kulchin, and Roman V. Romashko "Fiber-optic hydrophone based on adaptive holographic interferometer", Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 1017614 (14 December 2016); https://doi.org/10.1117/12.2268119

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