钬激光是高相干辐射光,在雷达、测距以及医疗等多方面有着广泛的应用。根据钬激光的发展历程,总结出提高其输出功率及效率所需改进的几个方向,包括晶体材料的选择、掺入杂质及浓度的研究。进一步阐述了钬激光在各领域的应用与前景,并重点讨论了Ho:YAG激光在医疗领域的应用。 Holmium laser is a highly coherent radiation, has a wide range of applications in the radar, ranging and medical and other fields. According to the development history of holmium laser, several directions for improving the output power and efficiency are summarized, including the selection of crystal materials, the doping of impurities and the concentration. The application and prospect of holmium laser in various fields are further elaborated, and the application of Ho: YAG laser in medical field is mainly discussed.