A novel fiber sensor study on direct current based on fiber loop ring down spectroscopy

Liqiang Cui; Shuqiang Chen; Yishen Qui; Zhihao Chen

doi:10.1117/12.820850

23 February 2009 A novel fiber sensor study on direct current based on fiber loop ring down spectroscopy

Liqiang Cui, Shuqiang Chen, Yishen Qui, Zhihao Chen

Proceedings Volume 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors; 72780G (2009) https://doi.org/10.1117/12.820850
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

In the paper,The research progress of current sensor was introduced.And the working principle,characteristics and disadvantages were analyzed.We explore optical current sensor based on Fiber Loop Ring Down Spectroscopy (FLRDS), The sensing system consists of a fiber sensor head and a typical fiber loop ring down system including a pulsed VCSEL laser diode at 850 nm,multimode fiber couplers,multimode fiber loop,photo-receiver and high-speed data acquisition and signal processing. The current sensor is demonstrated with a resolution of 0.05 A ,the sensor system's good linear responses,stability,repeatablity,sensitivity are also explored.

Citation Download Citation

Liqiang Cui, Shuqiang Chen, Yishen Qui, and Zhihao Chen "A novel fiber sensor study on direct current based on fiber loop ring down spectroscopy", Proc. SPIE 7278, Photonics and Optoelectronics Meetings (POEM) 2008: Fiber Optic Communication and Sensors, 72780G (23 February 2009); https://doi.org/10.1117/12.820850

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