| 大功率半导体激光器驱动电路 |
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| 引用本文： | 马良柱,宋志强,刘统玉,王 昌,陈汝波.大功率半导体激光器驱动电路[J].太赫兹科学与电子信息学报,2010,8(4):441-443. |
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| 作者姓名： | 马良柱 宋志强 刘统玉 王 昌 陈汝波 |
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| 作者单位： | 山东科学院激光研究所,山东省光纤传感器重点实验室,山东,济南,250014 |
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| 基金项目： | 山东省科技攻关项目"大功率光纤激光器工程化(20080102)" |
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| 摘 要： | 为实现30 W连续掺Yb光纤激光器,设计一种大功率（10 A）半导体激光器（LD）的驱动电路,该恒流源电路采用功率场效应管作电流控制元件,运用负反馈原理稳定输出电流,正向电流0 A～10 A连续可调,纹波峰值为10 mV,输出电流的短期稳定度达到1×10-5,具有过流保护、防浪涌冲击的功能。实际应用在30 W连续掺Yb光纤激光器中,结果表明该驱动电路工作安全可靠。
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| 关 键 词： | 半导体激光器 驱动电路 场效应管 |
| 收稿时间： | 2009/10/21 0:00:00 |
| 修稿时间： | 2010/3/21 0:00:00 |
Power driving circuit of Laser Diode |
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| MA Liang-zhu,SONG Zhi-qiang,LIU Tong-yu,WANG Chang and CHEN Ru-bo.Power driving circuit of Laser Diode[J].Journal of Terahertz Science and Electronic Information Technology,2010,8(4):441-443. |
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| Authors: | MA Liang-zhu SONG Zhi-qiang LIU Tong-yu WANG Chang and CHEN Ru-bo |
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| Affiliation: | (Shandong key laboratory of optic fiber sensing,Laser Institute,Shandong Academy of Sciences,Tsinan Shandong 250014,China) |
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| Abstract: | This paper introduces a power driving circuit for Laser Diode（LD）.It adopts power Metal-Oxide Semiconductor Field Effect Transistor（MOSFET） as adjust device,and apply current negative feedback to ensure constant current output.The output current is a forward current adjustable in 0 A–10 A range with ripple less than 10 mV,whose short-term stability has reached 1×10-5.This circuit also bears functions including maximum current,surge current limitation and slow start.It has been applied as pump source for a Yb doped optic fiber laser,and the experimental results has proved its reliability and safety. |
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| Keywords: | Laser Diode driving circuit Metal-Oxide Semiconductor Field Effect Transistor |
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