摘要
在实验基础上分析了光泵浦垂直外腔面发射半导体激光器(OPS-VECSEL)的热管理,建立了一维静态热传导方程,并结合数学工具Matlab解热传导方程,得出热沉的热导率及DBR热导率变化对器件温度的影响。实验中采用的热沉为铜热沉,用光致发光谱测量方法估算器件的温度升高。理论计算与实验结果都表明,采用铜做热沉时器件的温度升高。因此应采用热传导系数大的材料来取代铜作热沉材料,以提高器件的性能。同时表明这种简单的计算模型能为器件的设计提供有用的理论分析与指导。
The thermal management of optically pumped semiconductor vertical external cavity surface emitting laser（OPS-VECSEL） was analysed based on the experimental results. The one-dimensional, stationary solution of heat conduction equation was established and it was deduced by the Matlab software. The temperature rising is relative to the thermal conductivity change of DBR and heat sink. In experiment, the temperature rising of VECSEL was estimated through photoluminascence spectrum. Theoretical and experimental results show that the temperature rising of VECSEL is higher when using copper as the heat sink. Therorefore, the high thermal conductivity mateials should be used to replace copper. It is shown that such a simplified modal can provide useful guidance for designing devices.
出处
《半导体光电》
CAS
CSCD
北大核心
2008年第2期170-172,共3页
Semiconductor Optoelectronics
基金
国家自然科学基金资助项目(60577003,60636020,60476029,60676034)
关键词
热管理
光泵浦
垂直外腔面半导体激光器
thermal management
optically pumped
vertical external cavity surfaceemitting Iaser（VECSEL）
