The conclusion is: a practical beamexpandingtelescope has maximum beamexpanding ratio when its maladjustment is zero.
其结论为一个实用的扩束望远镜在失调量为零时，具有最大的扩束比。
2
In this paper, the propagation of Gaussian beams in a telescope system is analysed by using beam transformation formulas. The maximum beam expanding ratio is discussed.
本文利用光束变换公式分析了高斯光束通过望远镜系统的传播，讨论了最大扩束比问题。
3
Based on matrix optics, the relationship between maladjustment and expanding ratio of the laser beamexpandingtelescope has been analyzed in this paper.