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4 October 2007 A versatile fiber optic sensor interrogated by high-resolution optical reflectometry
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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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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);

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