| 半导体激光器稳恒功率控制系统的设计 |
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| 引用本文： | 陈军,张认成,丘华兰,董英萍.半导体激光器稳恒功率控制系统的设计[J].华侨大学学报(自然科学版),2009,30(6). |
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| 作者姓名： | 陈军 张认成 丘华兰 董英萍 |
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| 作者单位： | 华侨大学,机电及自动化学院,福建,泉州,362021 |
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| 基金项目： | 福建省高新技术研究开发重点项目(2009H0031) |
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| 摘 要： | 设计一种半导体激光器的稳恒功率控制系统.该系统以3个高精度放大器OPA114,OPA602和OPA335为核心,采用滤波和慢启动电路,具有集成度高、元件少、性能稳定等优点;采用光功率负反馈控制,能为半导体激光器提供高稳定的、连续可调的驱动电流.实验结果表明,在该系统的驱动下,半导体激光器连续工作5 h,光功率稳定度可达0.048%,比开环时的稳定度提高了近5.5倍,达到设计要求.
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| 关 键 词： | 半导体激光器 稳恒功率 驱动电源 稳定度 |
Design of Power Stability Control System of Semiconductor Laser Diode |
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| CHEN Jun,ZHANG Ren-cheng,QIU Hua-lan,DONG Ying-ping.Design of Power Stability Control System of Semiconductor Laser Diode[J].Journal of Huaqiao University(Natural Science),2009,30(6). |
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| Authors: | CHEN Jun ZHANG Ren-cheng QIU Hua-lan DONG Ying-ping |
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| Institution: | College of Mechanical Engineering and Automation;Huaqiao University;Quanzhou 362021;China |
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| Abstract: | A power stability control system of the semiconductor laser diode is designed.The system takes three precise amplifiers INA114,OPA602 and OPA335 as its core components using a filter and a slow startup circuits,so it has many advantages such as having a high integration level,using fewer elements and having stable performance.Besides,the system can provide highly steady and continuously adjustable driving current for the semiconductor laser diode using a negative feedback control system of light power.The e... |
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| Keywords: | semiconductor laser diode power stability power supply stability |
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