2~3 μm光纤激光在**、传感、通信、生物医疗和环境监测等领域具有非常广阔的应用前景。利用稀土掺杂氟磷酸盐玻璃制备光纤是直接获得2~3 μm光纤激光的有效途径。本研究综述了国内外面向2~3 μm光纤激光应用的稀土掺杂氟磷酸盐玻璃光纤的研究概况,指出了研究中存在的问题,并对其发展前景进行了展望。

Fiber lasers with 2-3 μm center wavelength have broad application prospects in the military, sensing, communication, biomedical, and environmental monitoring fields. The use of the rare earth doped fluorophosphate glass to prepare optical fiber is an effective method for directly fabricating 2-3 μm fiber lasers. The current research progress of rare earth doped fluorophosphate glass fibers for 2-3 μm fiber laser application is reviewed. In addition, the development and current challenges associated with rare earth doped fluorophosphate glass fiber are explored.