Composite cavity fiber laser sensor based on feedback modulation

Jianzhong Zhang; Yubin Ge; Quan Cai; QianQian Hao; Qi Li; Weimin Sun; Libo Yuan; Ping Lu; G. D. Peng

doi:10.1117/12.886035

17 May 2011 Composite cavity fiber laser sensor based on feedback modulation

Jianzhong Zhang, Yubin Ge, Quan Cai, QianQian Hao, Qi Li, Weimin Sun, Libo Yuan, Ping Lu, G. D. Peng

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77535B (2011) https://doi.org/10.1117/12.886035
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We proposed a novel intensity modulation based composite cavity optical fiber laser (CCFL) sensor, which is suitable for the vibration measurement. The intensity modulation of the CCFL is caused by the modulation of the weak feedback of the CCFL. The weak feedback of the CCFL is based on the end face reflection and the Rayleigh scattering of optical fiber. An acoustic measurement of the CCFL sensor in anechoic water pool is demonstrated to prove that the simple sensing scheme is feasible.

Citation Download Citation

Jianzhong Zhang, Yubin Ge, Quan Cai, QianQian Hao, Qi Li, Weimin Sun, Libo Yuan, Ping Lu, and G. D. Peng "Composite cavity fiber laser sensor based on feedback modulation", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77535B (17 May 2011); https://doi.org/10.1117/12.886035

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