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Proceedings Paper

Optical voltage sensor based on Mach-Zehnder LiNbO3 interferometer and fibre-optical technology
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Paper Abstract

An optical voltage sensor is proposed that exploits the electric field dependence of transmission of a Mach-Zehnder interferometer fabricated on basis of the channel waveguides in electro-optic LiNbO3. The device works in a transmission scheme, utilizing the long fibre transmission lines for input and output optical signals. The sensor has been used to measure AC electric fields in a range from 0.005 to 56 kV/cm, resulting in a linear sensitivity that may be further improved by tailoring of the optical and geometrical parameters of the fibre-pigtailed Mach-Zehnder interferometer.

Paper Details

Date Published: 30 January 2012
PDF: 6 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83513M (30 January 2012); doi: 10.1117/12.913606
Show Author Affiliations
S. M. Kostritskii, RPC Optolink Ltd. (Russian Federation)
Yu. N. Korkishko, RPC Optolink Ltd. (Russian Federation)
V. A. Fedorov, RPC Optolink Ltd. (Russian Federation)

Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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