Fiber mode converter incorporated fiber ring-down strain sensor

Huiye Qiu; Yishen Qiu; Zhihao Chen; Baoyu Fu; Gaoming Li

doi:10.1117/12.738377

2 July 2007 Fiber mode converter incorporated fiber ring-down strain sensor

Huiye Qiu, Yishen Qiu, Zhihao Chen, Baoyu Fu, Gaoming Li

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66190L (2007) https://doi.org/10.1117/12.738377
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

We present a fiber mode converter incorporated fiber-loop ring-down system for strain measurement. The sensing system consists of a fiber mode converter 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 bending multimode fiber-loop ring-down strain sensor is demonstrated with a resolution of 0.28 &mgr;&Vegr; over a range of 767 &mgr;&Vegr;.

Citation Download Citation

Huiye Qiu, Yishen Qiu, Zhihao Chen, Baoyu Fu, and Gaoming Li "Fiber mode converter incorporated fiber ring-down strain sensor", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190L (2 July 2007); https://doi.org/10.1117/12.738377

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