基于法布里-珀罗腔的窄线宽光纤激光器关键技术综述

The Survey of Fiber Bragg Grating F-P Cavity Based Narrow Linewidth Fiber Laser

窄线宽光纤激光器在超远距离传感和高精度光谱学等方面有广泛的应用,如何压窄线宽是研究的重要方面。首先介绍了基于光纤光栅法布里-珀罗标准具的各种谐振腔结构和激光器,接着重点讨论了光纤激光器压缩线宽进而获得单频输出的机理和方法,最后对各种线宽压缩方法进行了比较。

Narrow linewidth fiber lasers have widespread applications for extremely long-range sensors system and high resolution analysis system of optical spectrum,and so on.Different kinds of fiber Bragg grating F-P etalon based fiber cavity structures and fiber lasers are introduced at first,and then different technologies that using fiber Bragg grating for linewidth compression and further the single-frequency operation mechanism of fiber laser are highlighted,at last,the comparison of different methods of linewidth compression are given.