In this paper values for making an isofrequency plot of a potassium chromicyanide crystal have been obtained with the help of energy level diagrams of the said crystal.

• 本文利用铬氰化钾晶体的能级图,直接通过查图读数的方法,获得制作等频曲线所需的数据,绘制出铬氰化钾晶体的等频曲线图。