单晶光纤生长技术研究进展

单晶光纤因其独特的结构特点以及优良的物理性能而被广泛应用于高功率激光器、辐射探测以及高温环境监测等领域。本文综述了单晶光纤的生长技术,探讨了微下拉法(μ-PD)、激光加热基座法(LHPG)以及导模法(EFG)的生长特点,并重点梳理了单晶光纤生长过程中存在的问题及解决方案。此外详细介绍了包层制备技术发展现状以及局限性。最后,阐述了现阶段单晶光纤的主要分类以及应用场景并对未来发展作出展望。

Research Progress on Growth Techniques of Single Crystal Fiber

Single crystal fibers are widely used in high-power lasers, radiation detection, high-temperature environment monitoring and other fields due to their unique structural characteristics and excellent physical properties. The growth techniques of single crystal fiber are summarized in this article, and further the growth characteristics of techniques, including micro-pulling-down (μ-PD) method, laser heated pedestal growth (LHPG) and edge-defined film-fed growth (EFG) are discussed, the existing issues and solutions in the growth process of single crystal fiber are presented. In addition, the development status and limitations of the cladding preparation techniques are introduced in detail. Finally, the main classification and application scenarios of single crystal fiber at the present stage are expounded and future development is prospected.