1.7μm超快光纤激光器研究进展(特邀)  

Recent progress of 1.7 μm ultrafast fiber lasers (Invited)

作　　者：战泽宇 陈吉祥 刘萌 罗爱平[1] 徐文成[1] 罗智超[1] Zhan Zeyu;Chen Jixiang;Liu Meng;Luo Aiping;Xu Wencheng;Luo Zhichao(School of Information and Optoelectronic Science and Engineering,South China Normal University,Guangzhou 510631,China)

机构地区：[1]华南师范大学信息光电子科技学院,广东广州510631

出　　处：《红外与激光工程》2022年第1期215-229,共15页Infrared and Laser Engineering

基　　金：国家自然科学基金(11874018,11974006,61805084,61875058);广东省自然科学基金(2019 A1515010879,2021 A1515012315)。

摘　　要：超快光纤激光器具有紧凑性高、光束质量佳、散热性好等优点,是一种极具发展潜力的激光光源。工作波长作为超快光纤激光器的重要参数,在一定程度上决定了激光器的应用领域。近年来,得益于1.7μm波段的独特光谱特性,1.7μm波段超快光纤激光器在生物医学、聚合物加工、光学成像等领域具有重要的应用价值。因此,研制高性能的1.7μm波段超快光纤激光器成为激光领域的研究热点之一。文中综述了近期1.7μm波段超快光纤激光器的研究进展,对目前获得1.7μm波段超短脉冲的不同方式进行总结,分析其技术特点;同时,介绍了笔者所在课题组报道的1.7μm波段耗散孤子超快光纤激光器及其放大系统的研究成果,概述了其工作原理、技术难点;最后,对1.7μm波段超快光纤激光的应用前景及发展趋势进行了展望。With the advantages of inherent compactness,high beam quality and excellent heat dissipation,ultrafast fiber lasers have already shown their huge potential in various scientific and industrial applications.In fact,the operating wavelength of the ultrafast fiber laser is critical for specific applications.In recent years,thanks to the unique spectral characteristics,1.7 μm ultrafast fiber lasers have unparalleled applications in biomedicine,polymer processing,optical imaging and other fields.Therefore,developing high performance ultrafast fiber lasers in the 1.7 μm band has become a research hotspot in the laser community.In this paper,the progress of1.7 μm ultrafast fiber lasers was reviewed and a comprehensive overview of the different methods enabling ultrafast generation at 1.7 μm waveband was given.The latest advances in 1.7 μm dissipative soliton fiber laser and chirped pulse amplification system reported by our group were introduced.The principles and technical challenges were also outlined.Finally,the application prospect and development tendency of 1.7 μm ultrafast fiber laser were prospected.

关 键 词：1.7μm激光光源 超短脉冲 被动锁模 超快光纤激光器 啁啾脉冲放大 

分 类 号：O436[机械工程—光学工程]