| 半导体激光器中散热问题的研究现状及最新进展 |
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| 引用本文： | 程东明,马凤英,段智勇,郭茂田.半导体激光器中散热问题的研究现状及最新进展[J].洛阳师范学院学报,2007,26(2):48-52. |
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| 作者姓名： | 程东明 马凤英 段智勇 郭茂田 |
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| 作者单位： | 郑州大学物理工程学院电子科学与技术系,河南郑州,450052 |
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| 摘 要： | 在半导体大功率激光器的各种关键技术中,散热问题的解决是一个极其关键的技术。在管芯焊接的地方产生的热流量大约为1KW/cm2。这种热负载是限制激光器正常工作的关键因素。文章分析了半导体激光器的发热因素,并对了几种常见的热沉类型进行了分析研究。
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| 关 键 词： | 半导体激光器 热沉 大功率激光器 列阵 |
| 文章编号： | 24414089 |
| 修稿时间： | 09 18 2006 12:00AM |
Status Quo and Latest Development of Heat Dissipation in Semiconductor Lasers |
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| CHENG Dong-ming,MA Feng-ying,DUAN Zhi-yong,GUO Mao-tian.Status Quo and Latest Development of Heat Dissipation in Semiconductor Lasers[J].Journal of Luoyang Teachers College,2007,26(2):48-52. |
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| Authors: | CHENG Dong-ming MA Feng-ying DUAN Zhi-yong GUO Mao-tian |
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| Institution: | Department of Electronic Science and Technology, School of Physics and Engineering, Zhengzhou University, Zhengzhou 450052, China |
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| Abstract: | High-power laser diodes are commonly used m kilowatt-class DPSSL systems The output value of the high-power laser diodes has increased rapidly while that of laser diodes with power range from 100 mW to 100 W was increased at a low speed.Therefore,it is necessary to develop high-power semiconductor laser stacks.With the development of high-power semiconductor lasers,studies of other key technologies related lo high-power semiconductor laser stacks should be carried on. Heat radiation is the crux of all key technologies in high-power semiconductor lasers.Semiconductor lasers are inherently efficient devices capable of generating very high peak powers,which have an electrical-to-optical concision efficiency of 40% to 50%,i.e.50% to 60% electric energy converts into thermal energy The peak heat flux generated at the interface where the diode material is soldered to the chip carrier is on the order of 1KW/cm2.The thermal load there is a limitation in the average power operation of laser diodes.If the problem of heat radiation cannot be solved properly,it will lead to a quick temperature rise of laser diodes and may even lead to catastrophic optical damage(COD). |
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| Keywords: | semiconductor lasers heat sink high-power lasers |
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