| 双光束自适应旋光准直系统 |
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| 引用本文： | 殷纯永,陈计金,方仲彦. 双光束自适应旋光准直系统[J]. 清华大学学报(自然科学版), 1991, 0(2) |
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| 作者姓名： | 殷纯永 陈计金 方仲彦 |
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| 作者单位： | 精密仪器与机械学系(殷纯永，陈计金)，精密仪器与机械学系(方仲彦) |
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| 摘 要： | 介绍了一种双光束自适应准直测量系统。传感元件为两套楔角相同的左旋和右旋石英光楔。由于两束光足够靠近，用其中一束光专门监测各种漂移因素以便补偿另一束光的测量结果，从而达到对环境干扰自适应补偿的作用。文中给出了理论分析和实验结果。
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| 关 键 词： | 自适应测量 直线度 准直 |
Twin-Beam Adaptive Straightness Measurement System Based on Optical Activity |
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| Yin Chunyong,Chen Jijin,Fang Zhongyan. Twin-Beam Adaptive Straightness Measurement System Based on Optical Activity[J]. Journal of Tsinghua University(Science and Technology), 1991, 0(2) |
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| Authors: | Yin Chunyong Chen Jijin Fang Zhongyan |
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| Affiliation: | Department of Precision Instruments and Mechanology |
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| Abstract: | A twin-beam adaptive alignment measurement system is introduced. The sensor consists of two sets of quartz wedges which are respectively right-handed and left-handed with equal angle. One of the laser beam serves as measuring beam and the other for monitoring of the environment turbulance. Because the two beams are close enough to each other, the effect of atmosphere can be compensated by this system. Theoretical and experimental results are given in this paper. |
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| Keywords: | adaptive measurement straightness alignment |
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