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Single-shot distributed optical-fiber temperature sensing by the frequency-derived technique

机译:基于频率技术的单次分布式光纤温度感测

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摘要

We present, for the first time to our knowledge, a distributed optical-fiber temperature sensor, based on a pulsed laser, that provides distributed temperature measurement by use of a single pulse propagating in an optical fiber. The system uses the frequency-derived technique based on the optical Kerr effect. The performance of the system is investigated for the temperature range 33-150 degrees C. A linear relationship between the temperature and the derived frequency is obtained. The best temperature resolution was determined to be +/-1.2 degrees C. The best measured spatial resolution was 0.56 m. (C) 1997 Optical Society of America.
机译:我们首次了解到一种基于脉冲激光的分布式光纤温度传感器,该传感器通过使用在光纤中传播的单个脉冲来提供分布式温度测量。该系统使用基于光学克尔效应的频率衍生技术。在33-150摄氏度的温度范围内研究了系统的性能。获得了温度与导出频率之间的线性关系。最佳温度分辨率确定为+/- 1.2摄氏度。最佳测量空间分辨率为0.56 m。 (C)1997年美国眼镜学会。

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