In this paper experessions of the 9th order geometrical aberrations of rotationally symmetrical electron optic system are given by using the eikonal method when the electric and magnetic fields exit.
本文应用光程函数法推导出旋转对称电子光学系统九级几何像差公式。
Based on an analysis of the unsym compensation state for Michelson interferometer, a quantitative relation between the deviant of compensating mirror and the optical path difference (OPD) is presented, and a method for judging and calibrating the deviation is proposed.
本文主要对迈克尔逊干涉仪处于非对称补偿状态进行了分析，定量得出补偿镜偏离量与光程差之间的关系，并就如何判断偏离和校准偏离提出了一种方法。
The expression of the optical path is educed when the spectroscope in Michelson interferometer is reversed.
推导了迈克耳孙干涉仪分光镜放反的情况下光程的表达式,解释了出现椭圆干涉条纹或双曲线条纹的原因。
In this paper, the reflective law and refractive law satisfying Fermat s principle have been verified in terms of the rule of equal optical distance.
应用等光程原理证明反射定律和折射定律服从费马原理。
Traditional differential optical absorption spectroscopy(DOAS) can be applied to realize accurate, rapid and in-situ concentration measurement of atmospheric trace gas while large error will occur when applied to the measurement of low concentration gas at short light path length.
传统差分吸收光谱法(DOAS)对大气痕量气体浓度可以实现准确、快速和在线测量,它对短光程、低浓度气体存在较大的测量误差。