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

S. M. Kostritskii; Yu. N. Korkishko; V. A. Fedorov

doi:10.1117/12.913606

30 January 2012 Optical voltage sensor based on Mach-Zehnder LiNbO3 interferometer and fibre-optical technology

S. M. Kostritskii, Yu. N. Korkishko, V. A. Fedorov

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83513M (2012) https://doi.org/10.1117/12.913606
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

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.

Citation Download Citation

S. M. Kostritskii, Yu. N. Korkishko, and V. A. Fedorov "Optical voltage sensor based on Mach-Zehnder LiNbO3 interferometer and fibre-optical technology", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83513M (30 January 2012); https://doi.org/10.1117/12.913606

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