测量了G652 光纤和DCF 光纤的背向散射光谱,在斯托克斯区观察到一级和二级拉曼背向散射光谱,在反斯托克区观察到一级拉曼背向散射光谱,首次在斯托克斯区和反斯托克区观察到ZX 背向散射光谱。光纤背向散射效应直接应用于光纤拉曼放大器和分布式光纤拉曼温度传感器系统。讨论了分布式光纤拉曼温度传感器系统工作原理、结构,给出了实验结果。关键词:光纤;拉曼背向散射;瑞利背向散射;拉曼温度传感器系统;拉曼放大器Abstract :The backscattering spectrum of G652 and DCF optical fiber have been measured. In the Stokes range ,the first order and second order Raman backscattering spectrum have been observed. In the anti - Stokes range ,the first order Raman backscattering spectrum has been observed. In the Stokes and anti - Stokes range ,ZX backscattering spectrum has been first observed. The backscattering effect of optical fiber has been applied to fiber Raman amplifierand distributed optical fiber Raman temperature sensors system. The operation principle and configuration of dis2 tributed optical fiber Raman temperature sensors system have been discussed. The experimental results have been got .Key words :optical fiber ;Raman backscattering ;Rayleigh backscattering ;Raman temperature sensors system;Raman amplifier.
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