測量了G652 光纖和DCF 光纖的背向散射光譜,在斯托克斯區觀察到一級和二級拉曼背向散射光譜,在反斯托克區觀察到一級拉曼背向散射光譜,首次在斯托克斯區和反斯托克區觀察到ZX 背向散射光譜。光纖背向散射效應直接應用于光纖拉曼放大器和分布式光纖拉曼
溫度傳感器系統。討論了分布式光纖拉曼溫度傳感器系統工作原理、結構,給出了實驗結果。
關鍵詞:光纖;拉曼背向散射;瑞利背向散射;拉曼溫度傳感器系統;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 amplifier
and 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.