| 光栅横向位移遥测传感器 |
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| 引用本文： | 杨鑫,郭尚旗,张国雄,蒋诚志.光栅横向位移遥测传感器[J].光学精密工程,1999,7(1):85-90. |
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| 作者姓名： | 杨鑫 郭尚旗 张国雄 蒋诚志 |
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| 作者单位： | ：杨鑫（天津大学精密仪器与光电子工程学院 天津 300072);郭尚旗（天津大学精密仪器与光电子工程学院 天津 300072);张国雄（天津大学精密仪器与光电子工程学院 天津 300072) |
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| 摘 要： | 介绍了一种光栅横向位移遥测传感器,被测位移和光束方向垂直。该系统利用激光光栅的多普勒效应进行测量,采用差动光路结构。理论计算和实验表明,此系统测量范围大、信号质量好、分辨率和测量精度高,并具有很大的景深范围,可应用于具体生产环境中的位移遥测。
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| 关 键 词： | 光栅多普勒效应 景深 横向位移测量 遥测 |
| 收稿时间： | 1998-08-27 |
| 修稿时间： | 1998-08-27 |
A Transducer for Lateral
Remote Displacement Measurement
Based on Grating Laser Doppler Effect |
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| YANG Xin.A Transducer for Lateral
Remote Displacement Measurement
Based on Grating Laser Doppler Effect[J].Optics and Precision Engineering,1999,7(1):85-90. |
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| Authors: | YANG Xin |
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| Affiliation: | Precision Instruments and Optoelectronic Engineering Institute, Tianjin University, Tianjin 3000721 |
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| Abstract: | A transducer for lateral remote displacement measurement based on grating laser Doppler effect is introduced.The direction of movement is allowed to be perpendicular to the bisector laser beams.The measuring principle of this system is based on grating Doppler effect.A differential optical sturcture is accepted.The results of experiments and theorectical analysis show that this system gives wide measurement range,high quality signals with high resolution and accuracy,and wide range of focal depth.All of these make it very useful in the practice. |
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| Keywords: | Grating Doppler effect Focal depth Lateral displacement measurement Remote measurement |
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