Demodulated method of optical fiber Stokes temperature sensors  

作　　者：ZHANG Li-xun LIAO Yun DAI Zhi-yong OU Zhong-hua LIU Yong-zhi PENG Zeng-shou 

机构地区：[1]School of Optoelectronic Information University of Electronics Science and Technology, Chengdu 610054,China

出　　处：《Optoelectronics Letters》2006年第5期345-347,共3页光电子快报（英文版）

摘　　要：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℃ are obtained.

关 键 词：光学纤维 温度传感器 反向散射 分布式 

分 类 号：TN253[电子电信—物理电子学]