| 窄线宽半导体激光器的热设计及优化 |
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| 引用本文： | 刘思喆,全伟,翟跃阳.窄线宽半导体激光器的热设计及优化[J].北京航空航天大学学报,2019,45(3):588-596. |
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| 作者姓名： | 刘思喆 全伟 翟跃阳 |
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| 作者单位： | 新型惯性仪表与导航系统技术国防重点学科实验室,北京,100083;新型惯性仪表与导航系统技术国防重点学科实验室,北京100083;北京航空航天大学大数据精准医疗高精尖中心,北京100083 |
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| 基金项目： | 国家自然科学基金（61773043，61227902，61374210，61421063，61703025） |
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| 摘 要： | 激光管内产生的热流对结构固有特性的影响是窄线宽半导体激光器结构设计的重点研究问题之一。基于机械性能和温度载荷要求，以整体结构散热最大化为目标，对内部热载荷进行了分析与应用研究，并以此为依据对半导体激光器的结构尺寸与结构形式进行了优化设计，该方法使激光器整体温度最大值由24.6℃降至22.827℃，并且分析了前100 s内瞬态温度变化曲线，通过优化结构使得散热均匀性得到很好的改善。
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| 关 键 词： | 半导体激光器 热分析 热设计 结构尺寸优化 结构形式优化 |
| 收稿时间： | 2018-06-07 |
Thermal design and optimization of narrow linewidth semiconductor lasers |
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| LIU Sizhe,QUAN Wei,ZHAI Yueyang.Thermal design and optimization of narrow linewidth semiconductor lasers[J].Journal of Beijing University of Aeronautics and Astronautics,2019,45(3):588-596. |
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| Authors: | LIU Sizhe QUAN Wei ZHAI Yueyang |
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| Institution: | 1.Fundamental Science on Novel Inertial Instrument & Navigation System Technology Laboratory, Beijing 100083, China2.Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100083, China |
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| Abstract: | The influence of the heat flow generated in the laser tube on the inherent characteristics of the structure is one of the key research issues in the design of narrow linewidth semiconductor lasers. Based on the mechanical properties and temperature load requirements, this paper aims at maximizing the heat dissipation of the overall structure. The internal thermal load is analyzed and applied. Based on this, the structural size and structural forms of the semiconductor laser are optimized. The method reduces the maximum temperature of the laser from 24.6℃ to 22.827℃, and analyzes the transient temperature curve in the first 100 s. The heat dissipation uniformity is improved by optimizing the structure. |
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| Keywords: | semiconductor laser thermal analysis thermal design structural size optimization structural form optimization |
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