摘要
本文叙述了利用光栅衍射法来测定液体和固体折射率的实验装置及原理.利用该方法测量折射率虽然精度不高,但方办简便,无需专用仪器.作为普通物理光学实验,使学生理解光学有关知识是有益的.
In this paper, the author describes the experimental installation and the principle of using diffraction grating to determine the refractive index of solid and liquid. Though the result is not so accurate, the method itself is very simple and it requires no special instruments . As an experiment of general physics, it's helpful to the students to get a better understanding of something about optics.
关键词
液体
固体
折射率
光栅
衍射
测定
diffraction gratieg
diffraction angle
spectrum
