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。
Optical path difference of uniaxial crystal and field of view of Lyot filter;
单轴晶体的光程差和Lyot型滤光器的视场
Approximation problem in the optical path difference calculation;
光程差计算中的近似问题
The effect of the incident angle on the optical path difference,state of polarization and interference fringes of the system is deduced in detail.
具体分析推导了光线入射角变化对这种新型的可调横向剪切量萨伐尔偏光镜的光程差、偏振度以及对系统干涉条纹的影响;简要论述了这种新型偏振干涉成像光谱仪的工作机理和运行方式,从原理上论证了它具有重量轻、体积小、抗震性好、适用范围广、分束光线平行均匀分布、干涉图样清晰、处理简便等诸多优点,为新型可调横向剪切量的偏振干涉成像光谱仪的设计、研制、调试和工程化提供理论依据和实践指导。
Selection of pathlength is key to near infrared spectral measurement.
光程长的选择在光谱测量方法设计中非常重要,但实际测量中很难实现精确最佳光程长。
The paper expounds the principle and advantages of disinfection by UV-C radiation, introduces the relative technologies and products at home and abroad, designs elliptic and parabolic cylindroid lampshade of bank paper disinfection apparatus with \!equal path surface\" principle.
论述了紫外C辐照杀菌消毒原理、优点,介绍了国内外有关技术和产品状况,并以"等光程面"原理设计了纸币紫外C消毒器光源的抛物柱面灯罩和椭圆柱面灯罩。