第二型带间级联激光器是一种有效的全固化中红外光源,具有广泛的应用前景。介绍了中红外带间级联激光器的结构,工作原理,最新研究进展,并对影响其工作性能的因素进行了讨论。

Type-Ⅱinterband cascade laser is an efficient and compact mid-infrared light source for many applications. The structure, operation principle and characteristics of mid-IR interband cascade lasers are introduced. The recent progress of mid-infrared type-II interband cascade laser is reviewed, and some elements influencing its work performance are also analyzed.