基于光参量振荡及放大技术的长波固体激光研究进展  

Research Progress of Long-Wave Solid-State Lasers Based on Optical Parametric Oscillation and Amplification Technology

作　　者：王海 赵莉莉 田俊涛 李志永 谭荣清 Wang Hai;Zhao Lili;Tian Juntao;Li Zhiyong;Tan Rongqing(Laser Engineering Center,Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China;School of Electronic,Electrical and Communication Engineering,University of Chinese Academy of Sciences,Beijing 101408,China)

机构地区：[1]中国科学院空天信息创新研究院激光工程技术研究中心,北京100094 [2]中国科学院大学电子电气与通信工程学院,北京101408

出　　处：《激光与光电子学进展》2024年第9期145-155,共11页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(61875198,61775215);脉冲功率激光技术国家重点实验室开放基金(SKL2021KF04);中国科学院仪器设备研制项目(YJKYYQ20210045)。

摘　　要：差分吸收雷达(DIAL)是有害气体检测的重要设备,对激光源的输出波长和线宽特性具有较高的需求。近年来,光参量振荡和放大技术(OPO/OPA)在中长波红外激光输出方面不断取得突破,在获得高质量长波方面表现出较大发展潜力。整理了不同非线性晶体的特性,对部分晶体光参量振荡器的长波激光性能进行了归纳,主要包括输出功率、脉冲能量、调谐范围以及输出线宽,结合理论增益线宽计算以及近期的实验研究,分析总结了在实现窄线宽方面存在的主要问题,并展望了未来的技术路线和发展方向。Differential absorption lidar(DIAL)is an important equipment for the detection of noxious gases.It has a high demand for the wavelength and linewidth of the laser sources.In recent years,optical parametric oscillation and amplification(OPO/OPA)technology has made breakthroughs in medium and longwave infrared laser,showing great potential in obtaining highquality longwave laser.The characteristics of different nonlinear crystals are collected.The performance of longwave laser obtained by some crystal optical parametric oscillators is generalized,including output power,pulse energy,tuning range and output linewidth.Combined with the theoretical gain linewidth calculation and recent experimental research,the main problems in realizing narrow linewidth are analyzed and summarized,furthermore,the future technical route furthermore,the development direction are prospected.

关 键 词：光参量振荡器 窄线宽 长波激光 非线性晶体 

分 类 号：O437[机械工程—光学工程]