计算机仿真多模激光在光纤内的光强分布  

Study of the Light Intensity Distribution of Multimode Laser in the Optical Fiber

作　　者：王艳芬[1] 邓云龙[2] 

机构地区：[1]广东工贸职业技术学院,广州510510 [2]华南理工大学物理与光电学院,广州510641

出　　处：《光通信研究》2016年第5期29-31,70,共4页Study on Optical Communications

基　　金：广东省省级科技计划资助项目(2015B01027004);广州市科技计划资助项目(201601010322)

摘　　要：光纤内的激光光强分布是激光照明研究的关键内容之一。文章采用OptiBPM光学软件分别对光束半径为15、30和50μm的单模、双模和多模激光在两层均匀结构的光纤内的传输进行了仿真计算,仿真设置纤芯直径分别为100、120、150和180μm。结果表明,对于应用于照明领域的多横模大功率半导体激光器,在耦合纤芯直径与激光束宽度相等的情况下,光纤出射端的激光光强分布最均匀。The laser intensity distribution in the optical fiber is one of the key parts in the research of laser illumination.In this paper,light transmission at the optical beam radius of 15μm,30μm,50μm in single-mode,dual-mode and multi-mode opti-cal fiber in the two-uniform structure are investigated through simulation by optical software OptiBPM.The fiber core diameter size is set at 100μm,120μm,150μm,180μm,respectively.The simulation results show that for the multi-mode of high-power semiconductor laser,the most uniform of light intensity at the exit end of the optical fiber is achieved when the width of the laser beam is equal to fiber core diameter.

关 键 词：光纤合束 半导体激光器 白光激光 

分 类 号：TN249[电子电信—物理电子学]