光纤激光频谱组束技术的研究进展  

Recent Progress of Spectral Beam Combination of Fiber Laser

作　　者：张迪[1] 吴卓亮[1] 楚兴春[1] 占生宝[1] 赵尚弘[1] 

机构地区：[1]空军工程大学电讯工程学院,西安710077

出　　处：《半导体光电》2010年第4期489-494,517,共7页Semiconductor Optoelectronics

基　　金：国家自然科学基金资助项目(60678018)

摘　　要：光纤激光频谱组束是实现大功率、高质量光纤激光输出的有效手段。综述了光纤激光频谱组束技术的最新进展情况,介绍了光栅外腔频谱组束、MOPA结构频谱组束、PTR布拉格光栅频谱组束以及二维阵列的相干和谱组束等方案的基本原理和研究现状,比较分析了各种组束方案的优缺点,最后对频谱组束发展中存在的问题进行了探讨。Spectral beam combination of fiber lasers is a valid method for producing laser output with high power and good beam quality.Recent progresses of spectral beam combination of fiber lasers are reviewed.The basic principle and research status of four kinds of spectral beam combination schemes are introduced,including spectral beam combination based on grating external cavity,spectral beam combination based on MOPA（master oscillator,power amplifier）,spectral beam combination based on PTR Bragg grating and simultaneous coherent and spectral addition of 2-D fiber lasers array.The advantages and disadvantages of these schemes are analyzed.At last,problems existing in the development of the spectral beam combination are comparatively discussed.

关 键 词：光纤激光 频谱组束 光栅 组束效率 光束质量 

分 类 号：TN248[电子电信—物理电子学]