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Fiber-optic sensor for detecting electric current pulses
Author(s): Yan V. Przhiyalkovskiy; Nikolay I. Starostin; Vladimir P. Gubin; Sergey K. Morshnev; Aleksandr I. Sazonov
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Paper Abstract

The response of an interferometric low-coherence fiber-optic electric current sensor (FOCS) to a short current pulse is studied theoretically and experimentally. The main feature of current pulse sensing is analyzed that manifests itself when the duration of the pulse is comparable to or less than the light propagation time in the sensing fiber. An advanced small-radius sensing fiber coil is considered that allows one to improve the characteristics of FOCSs. In addition, the effect of the intensity noise due to the beating of the spectral components of radiation on the FOCS is studied. It is experimentally shown that this intensity noise can be reduced by using a two-channel optical scheme.

Paper Details

Date Published: 11 April 2019
PDF: 8 pages
Proc. SPIE 11028, Optical Sensors 2019, 110280A (11 April 2019); doi: 10.1117/12.2520058
Show Author Affiliations
Yan V. Przhiyalkovskiy, V. A. Kotelnikov's Institute of Radio-engineering and Electronics (Russian Federation)
SPC Profotech LLC (Russian Federation)
Nikolay I. Starostin, V. A. Kotelnikov's Institute of Radio-engineering and Electronics (Russian Federation)
SPC Profotech LLC (Russian Federation)
Vladimir P. Gubin, V. A. Kotelnikov's Institute of Radio-engineering and Electronics (Russian Federation)
SPC Profotech LLC (Russian Federation)
Sergey K. Morshnev, V. A. Kotelnikov's Institute of Radio-engineering and Electronics (Russian Federation)
SPC Profotech LLC (Russian Federation)
Aleksandr I. Sazonov, V. A. Kotelnikov's Institute of Radio-engineering and Electronics (Russian Federation)
SPC Profotech LLC (Russian Federation)


Published in SPIE Proceedings Vol. 11028:
Optical Sensors 2019
Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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