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介绍了啁啾镜的基本原理和优化设计思想 ,阐述了优化设计的基本过程 ,并通过计算机优化计算了啁啾镜设计。具体分析了影响啁啾镜色散补偿特性的几个主要因素 ,如色散量、色散带宽、膜层数以及膜层的厚度变化对啁啾镜光学特性造成的影响。其中色散量的控制和色散带宽的选择是最重要的优化设计指标
The basic principle and optimization design idea of chirped mirror are introduced. The basic process of optimization design is expounded. The chirped mirror design is calculated by computer optimization. The influence of chromatic dispersion, dispersion bandwidth, film thickness and film thickness on the optical characteristics of chirped mirrors are analyzed in detail. Among them, the control of dispersion quantity and the choice of dispersion bandwidth are the most important optimization design indexes