随着光传输系统性能的不断提高,也产生了一些诸如光反馈和模式噪音的新问题。特别是在由许多单个光学元件组成的系统中,克服这类问题尤为重要。本文介绍了一种确定这些组件选模能力的新方法,给出了模式噪音的简单形式及试验结果。 As the performance of optical transmission systems continues to increase, new problems have arisen such as optical feedback and mode noise. Especially in systems composed of many individual optical elements, it is especially important to overcome this type of problem. This article presents a new way to determine the modulo of these components, and gives a simple form of model noise and experimental results.