棱镜折射率和色分辩本领公式新的推导方法

NEW DERIVATION METHOD FOR REFRACTING POWER AND DISPERSIVE POWER OF PRISM

用等光程方法 ,对棱镜折射率和色分辩本领公式两个公式给出一种新的推导方法。过程清楚 ,物理意义明确 ,方法简便。

With the method of equivalent optical path,the refracting power and dispersive power of the prism are derived.The results show that the method is convenient and its physic meaning is clear.