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10 January 2005 Novel temperature and displacement sensor with optical fiber
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Abstract
A complex sensor of synchronous measurement of temperature and displacement with optical fiber is proposed in this paper. It can be used in the real-time measurement of temperature of turbine and longitudinal displacement of the leaf. The Measured temperature range is 300~800°C and the resolution is 1°C. The measured displacement range is 0~5rnm and the resolution is 0.01mm. The two signals can be discriminated by using four channels of quartz optical fiber and narrow-band filtering. By operation of the ratio between measurement signal and reference signal, the accuracy can be assured. The experiment results show that the sensor presented has properties such as fast response, good repetition stable work and good reliability.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Longjiang Zheng, Jiulong Wang, and Yuhong Zhang "Novel temperature and displacement sensor with optical fiber", Proc. SPIE 5640, Infrared Components and Their Applications, (10 January 2005); https://doi.org/10.1117/12.575654
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