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Proceedings Paper

Composite cavity fiber laser sensor based on feedback modulation
Author(s): Jianzhong Zhang; Yubin Ge; Quan Cai; QianQian Hao; Qi Li; Weimin Sun; Libo Yuan; Ping Lu; G. D. Peng
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Paper 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.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77535B (17 May 2011); doi: 10.1117/12.886035
Show Author Affiliations
Jianzhong Zhang, Harbin Engineering Univ. (China)
Yubin Ge, Harbin Engineering Univ. (China)
Quan Cai, Harbin Engineering Univ. (China)
QianQian Hao, Harbin Engineering Univ. (China)
Qi Li, Harbin Engineering Univ. (China)
Weimin Sun, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering Univ. (China)
Ping Lu, Communications Research Ctr. Canada (Canada)
G. D. Peng, The Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors

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