高亮度蓝光半导体激光器光纤耦合技术  

Fiber coupling technology of high brightness blue laser diode

作　　者：段程芮 赵鹏飞[2] 王旭葆[1] 林学春[2] Duan Chengrui;Zhao Pengfei;Wang Xubao;Lin Xuechun(Institute of Laser Engineering,Faculty of Materials and Manufacturing,Beijing University of Technology,Beijing 100124,China;Laboratory of All-Solid-State Light Sources,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China)

机构地区：[1]北京工业大学材料与制造学部激光工程研究院,北京100124 [2]中国科学院半导体研究所全固态光源实验室,北京100083

出　　处：《光电工程》2021年第5期46-53,共8页Opto-Electronic Engineering

基　　金：国家重点研发基金资助项目(2017YFB0405001)。

摘　　要：随着蓝光半导体激光器的发展和应用范围的拓宽,利用合束技术来获得高亮度的蓝光光源已经成为研究的热点。为了获取高亮度的蓝光输出,本文应用光学设计软件进行模拟仿真,将48只波长为450 nm、输出功率为3.5 W的单管半导体激光器通过快慢轴准直和空间合束,聚焦耦合进105μm/0.22NA的光纤中,可获得功率为144.7 W、亮度为11 MW/(cm^(2)·str)的蓝光输出,耦合效率为93.78%,整体系统的光-光转换效率为86.13%。With the development and application of blue semiconductor lasers,it has become a research hotspot to obtain high brightness blue light source by beam combining technology.In order to obtain high brightness blue light output,48 single tube semiconductor lasers with wavelength of 450 nm and output power of 3.5 W are focused and coupled into 105μm/0.22 NA fiber by fast slow axis collimation and spatial beam combination.The blue light with power of 144.7 W and brightness of 11 MW/(cm2·str)is obtained.The coupling efficiency is 93.78%,and the optical to optical conversion efficiency of the whole system is 86.13%.

关 键 词：蓝光 高亮度 光纤耦合 合束技术 

分 类 号：TN248.4[电子电信—物理电子学]