Based on aberration theory, a way of designing beam expander with aspheric surface is introduced.

本文根据像差理论，叙述了非球面扩束器的设计方法。

Galilean beam expander with spherical lens is widely used in laser systems, but it has a lot of deficiency.

在激光系统中，伽里略球面透镜扩束器已得到广泛地应用，但是，它有许多不足之处。

A Galilean beam expander with spherical lens is widely used in laser systems, but it has a lot of deficiency.

在激光系统中，伽里略球面透镜扩束器已得到广泛地应用，但是，它有许多不足之处。

The manufacture of transmission optics beam expander used in Hartmann wavefront detection system was introduced.

论述了用于哈特曼波前探测系统的透射式光学扩束器的研制。

The simulation results indicate that the adaptive beam expander can be used to control the focusing length and spot size.

数值模拟结果表明，自适应扩束系统能够实现对“飞行光束”聚焦特性亦即焦点位置与焦斑大小的控制。