本文章介绍双折射晶体中的光路。首先介绍了晶体的双折射现象,了解晶体双折射现象的由来和产生双折射现象的晶体各向异性的物理结构;然后系统分析双折射晶体中的光路,详细阐述分析o光和e光的概念,及其与主截面、主平面的关系,o光和e光的离散关系,并对e光光路加以计算解析;最后,对光路进行规范形象描述,包括晶体光路的解析描述、几何描述以及作图分析。此外,也结合双折射晶体中的光路所涉及的电磁理论加以分析,同时对单轴和双轴晶体的异同也作了不同程度的介绍。 关键词:偏振光学,双折射晶体,偏振光,寻常光;非寻常光 This article introduces birefringent crystal in the light First introduced crystal birefringence phenomenon, the phenomenon of crystal birefringence understanding of the origin of the phenomenon and a birefringent crystal anisotropy of the physical structure and systems analysis birefringent crystal in the light path, o detailed analysis of light and the concept of e - , And its main section, the main plane of relations, o e-light and the dispersion relations and e photoelectron way to calculate analysis; Finally, the light way to regulate the image description, including the optical crystal description of the analytical and geometric description and mapping A In addition, the combination of birefringence optical crystal involved in electromagnetic theory analysis, while the single crystal biaxial and the similarities and differences between different levels also made a Key words: polarized light study, birefringent crystal, polarized light, an unusual light; unusual