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Laboratory investigation of an intensiometric dual FBG-based hybrid voltage sensor

Fusiek, Grzegorz and Niewczas, Pawel (2015) Laboratory investigation of an intensiometric dual FBG-based hybrid voltage sensor. In: Proceedings of SPIE - The International Society for Optical Engineering. SPIE. ISBN 9781628418392

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In this paper, we investigate experimentally the performance of a prototype optical voltage sensor utilizing a piezoelectric component and a dual FBG sensor combined with an intesiometric detection scheme. The sensor construction allows for the sensor interrogation using a single photodetector, and by eliminating spectral scanning devices, the measurement system benefits from a significant cost reduction and potentially improved speed of operation. Preliminary voltage characterization reveals that the proposed sensor is capable of reliable ac voltage measurement.