@inproceedings{dffcc991501f488388b942e2c337f22a,
title = "Fiber optic current sensor using an internal trigger sampling technique",
abstract = "We present an advanced demodulation technique for a fiber-optics interferometric current transducer. A quadrature sampling method with internal triggers was adopted for structural simplification and cost-effective phase demodulation. The internal triggers for quadrature signal processing were generated at zero crossing points of an ac-coupled reference signal, which was distinguished from the current-induced interference signal by utilizing fiber Bragg grating. Phase variation was extracted from the arctangent demodulation process. The proposed technique demonstrated accurate and stable phase demodulations performance and better than that of the conventional lock-in amp demodulation.",
keywords = "Fiber optic sensor, Fiber-optic current transducer, Phase extraction, Quadrature signal processing",
author = "Park, \{Hyoung Jun\} and Yeo, \{Chan Il\} and Son, \{Dong Hoon\} and Kim, \{Keo Sik\} and Kang, \{Hyun Seo\} and Kim, \{Sung Chang\} and Minho Song",
note = "Publisher Copyright: {\textcopyright} 2017 SPIE.; 25th International Conference on Optical Fiber Sensors, OFS 2017 ; Conference date: 24-04-2017 Through 28-04-2017",
year = "2017",
doi = "10.1117/12.2263243",
language = "English",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Libo Yuan and Youngjoo Chung and Wei Jin and Byoungho Lee and John Canning and Kentaro Nakamura",
booktitle = "25th International Conference on Optical Fiber Sensors",
}