2μm波段Tm,Ho:YAlO_3激光器研究进展及展望  

Progress and Prospect on Tm,Ho:YAlO_3 Laser at 2 μm Wavelength

作　　者：李林军[1,2] 张治国[1] 白云峰[2] 杨曦凝[3] 

机构地区：[1]哈尔滨工业大学理学院物理系,黑龙江哈尔滨150001 [2]黑龙江工程学院光电子技术研究所,黑龙江哈尔滨150050 [3]哈尔滨玻璃钢研究院,黑龙江哈尔滨150001

出　　处：《激光与光电子学进展》2014年第7期15-22,共8页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(61378029);中国博士后基金(20100481005;201104422)

摘　　要：2μm波段激光在医疗、环境监测、激光雷达、遥感探测、测距领域具有十分广阔的应用,近年来成为中红外光源研究的热点。Tm,Ho:YAlO3晶体具有较好的机械和热性能,能实现多种2μm波段激光连续及脉冲输出。对国内外2μm波段Tm,Ho:YAlO3激光器的研究进展进行了归纳与总结,包括Tm/Ho单掺YAlO3激光连续及脉冲振荡技术手段,Tm,Ho:YAlO3激光连续及脉冲振荡技术手段,高功率Tm,Ho:YAlO3激光器研究的最新进展等。技术手段涉及主动调Q、被动调Q、Tm激光抽运Ho激光等,并对Tm,Ho:YAlO3激光器的进一步发展及应用给予了展望。The laser of 2 μm waveband has attracted considerable interests as mid-IR light source, due to their extensive applications in laser medicine, environmental monitoring, laser lidar, remote sensing and laser ranging. Tm,Ho：YAlO3 crystal with good mechanical and thermal properties has achieved multifold continuous and pulsed mode of 2 μm waveband lasers. The research and development on Tm,Ho：YAlO3 laser at 2 μm waveband are classified and summarized, which include the techniques of continuous-wave and pulsed mode for Tm/Ho doped YAlO3 and Tm, Ho：YALO3 laser output, and the latest development of high power Tm,Ho：YAlO3 laser. The main techniques include active Q-switch, passive Q-switch and Ho laser pumped by Tm laser. The prospect and applications of Tm,Ho：YAlO3 laser are discussed in the article.

关 键 词：激光器 2μm光器 连续波 调Q模式 Tm HoYAlO3晶体 

分 类 号：TN248.1[电子电信—物理电子学]