稀土掺杂硫系光纤中红外发光的研究进展

Research Progress on Rare Earth Ions Doped Chalcogenide Fiber for Mid-Infrared Luminescence

中红外激光覆盖了许多分子吸收特征谱线,在军事遥感测距、环境监测、大气通信、生物工程、医疗、加工等领域有着重要的应用价值和广阔的发展前景。利用稀土掺杂硫系玻璃光纤制备光纤激光器是直接获得3~5μm波段中红外激光的有效途径。综述了国内外稀土掺杂硫系光纤的最新研究进展以及硫系光纤掺杂的主要问题,讨论了中红外硫系玻璃光纤发展中存在的难点,对中红外稀土掺杂硫系玻璃光纤的研究方向和发展前景进行了展望。

The mid-infrared laser has the important application value and broad development prospects in military sensing range, environmental monitoring, atmospheric communication, biotechnology, medical, processing, and other fields because of its spectral coverage over many characteristic lines of molecular absorption. As for luminescence emission from the rare earth ions in chalcogenide glass fiber, it is an effective way to directly obtain mid-infrared lasing in the region of 3-5μm. The latest progress of rare earth ions doped chalcogenide fibers and the main doping problems of chalcogenide fibers are reviewed, the current challenges in the development of mid-infrared chalcogenide glass fiber are discussed, and the research directions and development trends of the rare earth doped mid-infrared chalcogenide glass fibers are prospected.