用菲涅尔公式分析光学中的几个问题

Analysis of Several Problems in Optics with Fresnel Formulae

光波在两种均匀各向同性媒质界面上发生反射和折射时 ,入射波、反射波、折射波的振幅、位相、能流密度等 ,均可以使用电磁波理论中的菲涅尔公式给予分析 .本文利用菲涅尔公式 ,给出了薄膜干涉时不同分量的电场波半波损失发生在何处 ;折射光振幅可以大于入射光振幅 ;

When light wave reflect and refrect at the boundary of two uniform isotropy medium, the amplitude,phase ,energy and energy density flow of incident wave,reflection wave and refrection wave may be analysed by Fresnel Formulae in theory of electromagnet wave.Use Fresnel Formulae and get:Where dose the half wavelength loss take place with different component part of electric field wave when film interfere;Amplitude of refrection light may be larger than incident light's;Energy density of refrection light may be larger than incident light's.