一种新的光纤背向散射测量技术  

A New optical Fiber Backscatter Measurement Technology

作　　者：高冠学[1] 

机构地区：[1]铁道部科学研究院,北京100081

出　　处：《中国铁道科学》1997年第4期94-101,共8页China Railway Science

摘　　要：背向散射法是光纤光缆测量的最佳方法。传统的背向散射测量都是基于瑞利散射的机理，只能测量光纤的损耗特性。采用全新的基于布里渊散射的背向散射测量系统可以准确判定光纤上任一处所承受的应力，进而评价光纤的实用寿命，从而将光纤光缆线路的维护提高到新的水平。The backscatter method is the best one for measuring optical fiber cable. The conventional backscatter measurement methods are based on Rayleigh Scattering mechanism and can only measure tlye loss characteristic of optical fiber. The applicatian of a new backscatter measurement system based on Brillouin Scattering will enable one to measure the stress in optical fiber accurately and go on to evaluate its service life. Thus the maintenance of optical fiber cable will be brought up to a new level.

关 键 词：光纤 光缆 背向散射 应力 测量 

分 类 号：TN818[电子电信—信息与通信工程]