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82问答网 > 半导体激光器的单纵模和光纤的单模有什么不同

半导体激光器的单纵模和光纤的单模有什么不同

2025-04-08 01:40:36

推荐回答（1个）

回答1：

激光的单纵模：激光的工作物质由于多普勒效应会有一个谱分布，由于谐振腔的作用，只有波长满足d=k入的波长由于干涉加强才会输出，我们称这些输出的波长为多纵模，采用选模技术选择要输出的波长，要输出的波长为单纵模，d为谐振腔长度，入为波长，

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