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为了分析一束光在晶体表面的能量损失以及两束折射光的能量比,给出了一种求解反射率和透射率的方法。讨论了光从各向同性介质入射到单轴晶体表面时的折射和反射,注意到了e光线与e光波方向的不同,e光折射率与e光波法线折射率的不同,得出了在界面处应该满足的边界方程。在晶体光轴取向任意的条件下,给出了表明各光束间能量关系的折射率和反射率的理论表达式,为晶体器件特性的研究提供了有力的理论工具。数值模拟表明:得到的结果满足能量守恒;反射到各向同性介质中的光的电场(或磁场)与原入射光的电场(或磁场)不再平行;光轴的取向和入射角的大小对折射的o光、e光的能量比有很大的影响。
In order to analyze the energy loss of a light beam on the crystal surface and the energy ratio of two refracted lights, a method for solving the reflectivity and transmittance is given. The refraction and refraction of light from an isotropic medium incident on a uniaxial crystal surface are discussed. The difference between the e light wave direction and the e light wave direction is noticed. The difference between the e light refractive index and the e light wave normal refractive index, The boundary equation that should be satisfied. The theoretical expressions of the refractive index and the reflectivity of the energy relationships between the beams are given under arbitrary conditions of the optical axis orientation of the crystal and provide a powerful theoretical tool for the study of the characteristics of the crystal device. The numerical simulation shows that the obtained results satisfy the conservation of energy. The electric field (or magnetic field) of the light reflected into the isotropic medium is no longer parallel with the electric field (or magnetic field) of the original incident light. The orientation of the optical axis and the magnitude of the incident angle Refraction of the o light, e light energy ratio has a great impact.