A versatile fiber optic sensor interrogated by high-resolution optical reflectometry

Liqiu Men; Ping Lu; Qiying Chen

doi:10.1117/12.736192

4 October 2007 A versatile fiber optic sensor interrogated by high-resolution optical reflectometry

Liqiu Men, Ping Lu, Qiying Chen

Proceedings Volume 6759, Smart Biomedical and Physiological Sensor Technology V; 67590G (2007) https://doi.org/10.1117/12.736192
Event: Optics East, 2007, Boston, MA, United States

Abstract

A new temperature sensing technique based on high-resolution reflection measurement in a fiber optic system is demonstrated. The technique adopts thermoreversible compounds as a transducer in a fiber-optic temperature sensor system. The dependence of the light reflection on the temperature has been studied. The reflected optical power indicated a change in the temperature range of observation, corresponding to a change of 15.3dB in the reflection signal when the temperature increased from 20°C to 140°C. The temperature dependence of the optical properties was found to be reversible, which indicates that the temperature transducer is reversible as well.

Citation Download Citation

Liqiu Men, Ping Lu, and Qiying Chen "A versatile fiber optic sensor interrogated by high-resolution optical reflectometry", Proc. SPIE 6759, Smart Biomedical and Physiological Sensor Technology V, 67590G (4 October 2007); https://doi.org/10.1117/12.736192

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