Demodulated method of optical fiber stokes temperature sensors

Li-xun Zhang, Yun Liao, Zhi-yong Dai, Zhong-hua Ou, Yong-zhi Liu, Zeng-shou Peng

Optoelectronics Letters ›› 2006, Vol. 2 ›› Issue (5) : 345-347.

Optoelectronics Letters ›› 2006, Vol. 2 ›› Issue (5) : 345-347. DOI: 10.1007/BF03033519
Devices and Applications

Demodulated method of optical fiber stokes temperature sensors

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Abstract

Based on the Stokes signals of the spontaneous Raman backscattering, a demodulated method for the simultaneous distributed temperature measurement in an optical fiber is presented to improve the sensitivity of the sensor. The experimental system of Stokes temperature sensor is set up and 2 km of operating length, 1 m of distance resolution, accuracy of ±0.1°C are obtained.

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Li-xun Zhang, Yun Liao, Zhi-yong Dai, Zhong-hua Ou, Yong-zhi Liu, Zeng-shou Peng. Demodulated method of optical fiber stokes temperature sensors. Optoelectronics Letters, 2006, 2(5): 345‒347 https://doi.org/10.1007/BF03033519

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