With the method of equivalent optical path, the refracting power and dispersivepower of the prism are derived.
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。
2
In this paper, a laser induced air plasma channel antenna (PCA) for high power microwave weapon is presented, and the dispersive characteristic for normal modes of PCA is analyzed.