摘要
简要概述了半导体泵浦碱金属激光器(DPAL)的产生背景与独特优势,以其特性为基础、应用为导向,基于国内外最新进展分析了谱线匹配、连续稳定运转和提高输出功率这三大问题,并对新型复合受激态准分子宽带泵浦碱金属激光器(XPAL)的基本原理及优缺点进行了阐述。通过对碱金属激光器现有解决思路进行对比和总结,在能级理论和缓冲气体作用机理、泵浦机理和腔结构以及高功率定标放大等方面,对未来可能的研究方向进行了展望,以期突破DPAL相关技术瓶颈,实现高能量高光束质量的红外激光输出。
The invention background of alkali laser and its unique advantages are briefly introduced.Based on recent achievements of diode-pumped alkali laser（DPAL）,the key technologies that includes line width matching,continuously stable operation and power enhancement are analyzed to meet the application demands.The basic principle of a novel exciplex pumped alkali laser（XPAL）,as well as its advantages and disadvantages are explained.By discussing problems existing in this field,potential research work on energy level theory,pump mechanism,buffer gas effect,cavity structure optimization and high-power scaling is proposed to improve output characteristics of DPAL.
出处
《应用光学》
CAS
CSCD
北大核心
2011年第3期582-590,共9页
Journal of Applied Optics
