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| 半导体激光器温度效应对调频体制激光雷达的影响分析 | |
| 引用本文： | 赵继广,张智诠,张晓永.半导体激光器温度效应对调频体制激光雷达的影响分析[J].装备指挥技术学院学报,2010,21(4):84-87. |
| 作者姓名： | 赵继广 张智诠 张晓永 |
| 作者单位： | 1. 装甲兵工程学院,控制工程系,北京100072;装备指挥技术学院,航天装备系,北京,101416 2. 装甲兵工程学院,控制工程系,北京100072 3. 装备指挥技术学院,航天装备系,北京,101416 |
| 摘 要： | 半导体激光器的输出光功率受温度的影响较大,当工作在平衡温度时,其输出光功率受动态平衡温度调制,给调频体制激光雷达测量性能带来影响。分析了温度、阈值电流、斜率效率三者之间的关系,并通过构建的测量系统测量了50 mW半导体激光器的光功率输出特性,根据理论和实验结果分析了其对调频体制激光雷达的影响。 |
| 关 键 词： | 半导体激光器 温度 激光雷达 输出功率 |
Effects of Temperature Variation of Semiconductor Laser Diode on FM Lidar System |
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| ZHAO Jiguang,ZHANG Zhiquan,ZHANG Xiaoyong.Effects of Temperature Variation of Semiconductor Laser Diode on FM Lidar System[J].Journal of the Academy of Equipment Command & Technology,2010,21(4):84-87. | |
| Authors: | ZHAO Jiguang ZHANG Zhiquan ZHANG Xiaoyong |
| Affiliation: | 1.Department of Control Engineering,the Academy of Armored Force Engineering,Beijing 100072,China;2.Department of Space Equipment,the Academy of Equipment Command ＆ Technology,Beijing 101416,China) |
| Abstract: | The output power of semiconductor laser diode is greatly affected by working temperature.While it is working at balance temperature,the output power is modulated by dynamic balancing temperature.And it will effect the range performance of FM Lidar system.This paper analyzes relationship among temperature,threshold current and slope efficient,measures the output characteristics of the 50 mW semiconductor laser diode by using the constructed FM Lidar system,and analyzes the effects on system range performance. |
| Keywords: | semiconductor laser diode temperature lidar output power |
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