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Proceedings Paper

High-sensitive ultra-low frequency hydrophone
Author(s): T. V. Krishtop; D. A. Zhevnenko; S. V. Kokhanovsky; P. V. Dudkin; A. S. Zlobin; A. Y. Belyaev; V. G. Krishtop
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Paper Abstract

In this paper we demonstrate a new prototype of a high-precision ultra-low-frequency hydrophone on the basis of a planar type electrochemical transducer (ECT). We have developed a new planar electrochemical microchip and have invented a mechanical system that allows detecting the alternating pressure at low frequencies up to 0.01 Hz. We have obtained the transfer characteristics of our device to convert pressure variation into an electrical signal, and they are very promising. The main advantage of the electrochemical hydrophone is high sensitivity in the infrasound range. The developed sensitive element can become the basis for a new generation of acoustic pressure receivers, vector acoustic receivers, sound pressure gradient loggers.

Paper Details

Date Published: 15 March 2019
PDF: 7 pages
Proc. SPIE 11022, International Conference on Micro- and Nano-Electronics 2018, 1102210 (15 March 2019); doi: 10.1117/12.2522033
Show Author Affiliations
T. V. Krishtop, Seismotronics LLC (Russian Federation)
D. A. Zhevnenko, Seismotronics LLC (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
JCS Molecular Electronics Research Institute (Russian Federation)
S. V. Kokhanovsky, Seismotronics LLC (Russian Federation)
P. V. Dudkin, Seismotronics LLC (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
A. S. Zlobin, Moscow Institute of Physics and Technology (Russian Federation)
A. Y. Belyaev, Moscow Institute of Physics and Technology (Russian Federation)
JCS Molecular Electronics Research Institute (Russian Federation)
V. G. Krishtop, Seismotronics LLC (Russian Federation)
Institute of Microelectronics Technology and High Purity Materials RAS (Russian Federation)


Published in SPIE Proceedings Vol. 11022:
International Conference on Micro- and Nano-Electronics 2018
Vladimir F. Lukichev; Konstantin V. Rudenko, Editor(s)

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