摘要
研究了一种长工作距离（117mm）、短焦距、在18～57mm范围内连续可变焦距的YAG激光加工机新型光学聚焦系统，论述了系统的特点及基本原理，给出了有关设计参数。
A novel VFL (variable focal length) system of a long working length(117mm), a short focus and a continuous zoom type range from 18mm to 57mm is studied. The features and basic principles of the system are discussed, and the design parameters are given.
出处
《应用激光》
CSCD
北大核心
1998年第1期23-25,共3页
Applied Laser
关键词
可变焦距
光学聚焦系统
激光加工机
VFL (variable focal length), optically—focused system, laser processing machine
