摘要
利用阶梯反射镜整形技术分别对两个功率为40W的半导体激光器光束进行镜面分割,旋转重排后使用偏振分光棱镜(PBS)进行合束,最后得到功率为55.8W、耦合效率约为70%的半导体激光列阵(LDA)单光纤耦合模块,光纤芯径为Φ400μm,数值孔径(NA)为0.22。经过连续100h的正常拷机后,功率稳定。
Based on the step-mirror beam-shaping technique and a piece of polarizing beam splitter,the beam of two 40 W laser diode arrays（LDA） was divided,turned,redistributed,and combined. Finally,a high output power of 55.8W of the single fiber optic coupling module of LDA is achieved,and the maximal coupling efficiency is more than 70%, the diameter of fiber core is 400,and the number aperture（NA） is 0. 22. The output power of the fiber coupling module is steady after 100 h continue work,and this module can be applied in the industry.
出处
《光电子．激光》
EI
CAS
CSCD
北大核心
2008年第4期427-429,共3页
Journal of Optoelectronics·Laser
基金
国家“863”计划资助项目(2002AA311020)
北京市科委重大资助项目(H020420070110)
