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本文对测量光纤衰减的一种新方法——后向散射法作了综合评述。介绍后向散射法原理,实验装置和某些实验结果。讨论了光注入方法,检测系统、后向散射的机理,精度等。着重点是有关这种测量方法的近期发展。最后简要介绍径向散射法。
In this paper, a new method of measuring optical fiber attenuation - backscattering method made a comprehensive review. Describes the principle of backscattering, experimental devices and some experimental results. Discussed the light injection method, detection system, backscattering mechanism, accuracy and so on. The emphasis is on the recent development of this measurement method. Finally, a brief introduction of radial scattering method.