Based on the basic concept of the coupling of LD with the fiber, the principle of operation and operation method of YAG laser welding automatic alignment system for LD/PD modules are given.
从LD与光纤端面耦合的基本概念出发，系统地介绍了用于LD/PD模块化的自动对准YAG激光焊接系统的工作原理和使用方法。
This paper introduced, the method about laser alignment using round zone plate, analysed sources and distribution of the method's error in a systematic way.
本文介绍了波带板激光准直的方法，比较系统地分析了波带板激光准直的误差来源和精度分布情况。
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