| 半导体激光管位移传感器的模型建立及仿真分析 |
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| 引用本文： | 禹延光,孙哓明,魏振路,强锡富.半导体激光管位移传感器的模型建立及仿真分析[J].光学技术,1999(3). |
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| 作者姓名： | 禹延光 孙哓明 魏振路 强锡富 |
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| 作者单位： | 1. 哈尔滨工业大学,精密仪器系,哈尔滨,150001
2. 大庆石油管理局,采油工艺研究所 |
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| 摘 要： | 从激光应用系统稳态条件出发，建立了半导体激光管位移传感器系统的数学模型，其仿真结果与有关文献的实验结论相吻合，详细阐述了通过检测ＬＤ注入调制三角波相邻两周期对应点处信号的位相差而完成位移测量的原理。由理论分析提出了提高最大允许位移速度上限和减小测量非线性误差的措施，其结论对激光自混合干涉技术的应用具有重要指导意义
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| 关 键 词： | 半导体激光器 自混合干涉 模型 仿真分析 |
Model and simulation of optical feedback displacement sensor using a laser diode |
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| YU Yan-guang,SUN Xiao-ming,WEI Cen-lu,QIANG Xi-fu.Model and simulation of optical feedback displacement sensor using a laser diode[J].Optical Technique,1999(3). |
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| Authors: | YU Yan-guang SUN Xiao-ming WEI Cen-lu QIANG Xi-fu |
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| Abstract: | A model is proposed about optical feedback displacement sensor using a laser diode by the stable condition of laser system. Its simulation result is consistent with the experimental results. It described the principle of displacement measurement by detecting the phase difference between the two points of the adjacent period of injecting current with modulated triangular wave. It also gave the method how to develop the maximum displacement velocity limit and decrease nonlinearity error. This conclusion is significative in the application of self mixing interference technology. |
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| Keywords: | semiconductor laser self mixing interference model simulating analysis |
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