摘要
在分析双光束干涉时,近轴条件是一个很重要的前提条件。同时,它也具有较强的实用意义。
In this paper,we analyse the interference of two light waves,which points out that the near-axial condition is very important,and prove that this condition has a good result in practice.
关键词
双光束干涉
近轴条件
干涉
interference of two light waves
near-axial condition
