Ultra-low-drift, sub-microvolt low-frequency fiber optic voltage sensor

Larry Fabiny; S. T. Vohra; F. Bucholtz

doi:10.1117/12.184969

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Ultra-low-drift, sub-microvolt low-frequency fiber optic voltage sensor

Larry Fabiny S. T. Vohra F. Bucholtz

Year: 1994 Journal: Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE Vol: 2360 Pages: 45-45 Publisher: SPIE

DOI: 10.1117/12.184969

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Abstract

We demonstrate a fiber optic interferometric dc and low frequency voltage sensor based on the electrostrictive effect in lead magnesium niobate (PMN) transducers. The sensor exhibits ultra-low drift and has a noise floor of 35 nV/?Hz at 10 mHz and 20 nV/?Hz at 1 Hz.

Keywords:

Optical fiber Materials science Transducer Interferometry Fiber optic sensor Low frequency Voltage Optoelectronics Optics Frequency drift Low voltage Infrasound Phase noise Acoustics Electrical engineering Physics Local oscillator

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Magneto-Optical Properties and Applications

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Ultra-low-drift, sub-microvolt low-frequency fiber optic voltage sensor

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