红外与激光工程, 2020, 49 (12): 20201072, 网络出版: 2021-01-14  

面向高功率激光隔离器的磁光材料(特邀) 下载: 638次

Review of magneto-optic materials for high power laser isolators (Invited
作者单位
1 中国科学院上海光学精密机械研究所 微纳光电子功能材料实验室,上海 201800;中国科学院大学 材料与光电研究中心,北京 100049
2 中国科学院上海光学精密机械研究所 微纳光电子功能材料实验室,上海 201800
摘要
磁光材料作为激光隔离器中的核心部分,在激光系统尤其是高功率激光器中起到确保激光单向传输、保护种子源及前端系统、稳定激光输出的重要作用。介绍了目前近红外波段高功率隔离器中磁光材料的国内外研究现状,阐述了磁光材料在高功率条件下的关键磁光特性及其对器件性能的影响。对比了常用的TGG单晶、铽玻璃与数种新型高功率磁光材料如TSAG单晶、TAG陶瓷和TGG陶瓷的高功率性能,重点讨论了掺杂离子和制备工艺对TAG陶瓷高功率磁光性能、热光性能的影响以及最近TAG陶瓷研究的新进展,及其重要应用需求,探讨了仍处于起步阶段的3~5 μm“大气窗口”中红外波段磁光材料的发展方向及前景。
Abstract
As the key component of optical isolators, magneto-optic(MO) materials play an important role especially in high power laser system to ensure one-way light propagation, protect the laser sources and stabilize the laser output. The recent research progress of the MO materials used in near-infrared high power optical isolators was introduced. The key thermal-optic characteristics of MO materials under high power laser conditions and their effects on device performance were illustrated in detail. The studies and high power performance of several newly developed MO material candidates like TSAG crystal, TAG ceramic, and TGG ceramic were reviewed and compared with the commonly used TGG single crystal and Tb-doped glasses on aspects of Verdet constant, thermal conductivity, magneto-optic figure of merit and so on. Among them, TAG ceramics were discussed emphatically including the effects of ions doping and synthesis technology on its magneto-optic and thermal-optic properties. At last, the newest progress on the study of TAG ceramics was introduced, as well as the application prospect and research trend of MO materials used in the 3-5 μm mid-infrared region.

陈杰, 周圣明. 面向高功率激光隔离器的磁光材料(特邀)[J]. 红外与激光工程, 2020, 49(12): 20201072. Jie Chen, Shengming Zhou. Review of magneto-optic materials for high power laser isolators (Invited)[J]. Infrared and Laser Engineering, 2020, 49(12): 20201072.

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