| 双四象限探测器弥散斑测量方法研究 |
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| 引用本文： | 党丽萍,刘君华,汤晓君. 双四象限探测器弥散斑测量方法研究[J]. 光子学报, 2004, 33(8): 989-993 |
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| 作者姓名： | 党丽萍 刘君华 汤晓君 |
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| 作者单位： | 西安交通大学电气工程学院,西安,710049;西安交通大学电气工程学院,西安,710049;西安交通大学电气工程学院,西安,710049 |
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| 基金项目： | 国家科学技术基础研究项目子课题 |
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| 摘 要： | 讨论一种利用双四象限探测器本身光机结构、输出电信号特性,对其接收的微小光斑进行精确测量,并可实时调整的方法.所组建的测量系统利用测量测定可旋转反射镜在特定位置的偏转角来计算弥散斑的半径,经实验,弥散斑在0.5mm±0.1mm测量范围内,分辨率可达0.0096mm (角度分辨率为1’).
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| 关 键 词： | 双四象限探测器 弥散斑 离焦量 |
| 收稿时间： | 2003-12-03 |
| 修稿时间： | 2003-12-03 |
Research on Measuring and Adjusting Method of Dispersion Spot at Double Quadrant photoelectric Detector |
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| Affiliation: | (School of Electric Engineering,Xi’an Jiaotong University,Xi’an 710049) |
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| Abstract: | Being a new style position detector,double quadrant photoelectric detector has been widely used in measure,track,control and guide.The size of laser dispersion spot is closely related with the system’s behavior and characteristic.Begin with a discussion about measurement model ,followed a method of small light spot precise measuring and adjusting on-line,making use of detector’soptics and construction and characteristic of outputting signals is given ,along with result of experiment that the resolution is 0.0096mm in 0.5mm±0.1mm measure scope. |
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| Keywords: | Double quadrant photoelectric detector Dispersion spot The distance between detctor Photosensitive surface of rear focal plane |
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