分立型半导体激光器线阵温度场分析

Analysis of the Discrete Diode Laser Arrays′ Temperature Field

目的 研究半导体激光器线阵的温度场分布 ,为设计冷却方案提供理论依据 .方法 用分离变量法推导简化后系统的温度场分布函数 ,获得理论最高温度所在位置 ;建立合理的有限元模型 ,在 ANSYS系统上进行数值仿真 .结果 得到系统稳定后的温度场分布图 ,确定了半导体激光器线阵在整个工作时间内的最高温度及其所在位置 .结论 根据简化后的数学模型 ,用有限元法得到的温度场分布与用分离变量法进行的理论分析得到的结论相一致 .

Aim\ Aim To study the temperature field of diode laser array, and provide theoretic method for the design of cooling device. Methods\ The temperature field function is deducted by separating variable method, and the theoretic highest temperature is gotten. The numerical simulation is carried out on ANSYS by the establishment of adaptable finite element model. Results\ The figure of temperature field under the condition of stable system and the highest temperature and its location within the whole working time is gotten. Conclusion\ According to the simple mathematics model the temperature field resulted from finite element method accord with that of theoretic analysis.