Analyzing the light propagation in biaxial absorption crystal using vector propagation constant method

摘要

Based on the analysis method of the light propagation in isotropic absorption media, the vector propagation constant is introduced and the light propagation in the biaxial absorption crystal is analyzed. The representations of some important physical parameters are derived, which was used to describe the crystal property and light propagation property, such as angle of refraction, refractive index, absorption coefficient. The corresponding results of transparent crystal can be deduced from these representations. When the crystal is absorptive, the reflection and transmission coefficients derived from the vector propagation constant method are in concordance with the results of complex refractive index method. So these two methods are uniform in some aspects, but the method of vector propagation constant is more convenient and available.