随着太赫兹技术的不断发展,太赫兹波导逐渐成为研究热点之一。相比于太赫兹聚合物波导,太赫兹光子晶体光纤(PCF)在高双折射方面具有明显优势。在介绍传统太赫兹波导技术研究现状的基础上,重点分析和总结了基于不同原理和不同结构的高双折射太赫兹PCF,对其优缺点进行了对比,并对高双折射太赫兹PCF的应用现状及后续的工作方向进行了总结和展望。 With the continuous development of terahertz technology, terahertz waveguide has gradually become one of the hot topics. Terahertz photonic crystal fibers (PCF) have significant advantages in high birefringence compared to terahertz polymer waveguides. Based on the research status of traditional terahertz waveguides, the high birefringence terahertz PCF based on different principles and different structures are analyzed and summarized, and their advantages and disadvantages are compared. The application of high birefringence terahertz PCF The status quo and the follow-up work direction were summarized and prospects.