| 金属光学性质对高精度丝径测量中偏振效应的影响 |
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| 引用本文： | 谢建平,邱焰辉,明海,李川奇,牛亚平,奚立峰,大园成夫.金属光学性质对高精度丝径测量中偏振效应的影响[J].物理学报,1990,39(11):1830-1834. |
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| 作者姓名： | 谢建平 邱焰辉 明海 李川奇 牛亚平 奚立峰 大园成夫 |
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| 作者单位： | 中国科学技术大学物理系,合肥,230026;中国科学技术大学物理系,合肥,230026;中国科学技术大学物理系,合肥,230026;中国科学技术大学精密机械系,合肥,230026;中国科学技术大学精密机械系,合肥,230026;中国科学技术大学精密机械系,合肥,230026;日本东京大学精密机械工程系,日本,东京,113 |
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| 基金项目： | 国家自然科学基金资助的课题 |
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| 摘 要： | 本文主要研究金属细丝的光学性质对高精度丝径测量中偏振效应的影响,由振动平行和垂直于细丝轴线的偏振光的夫琅和费衍射图样得到的丝径值不相同,理论分析表明:这种丝径的差值与金属复数折射率的虚部近似成正比关系增大,而与它的实部无关,一些实验结果与理论分析符合得很好。
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THE INFLUENCE OF METAL OPTICAL PROPERTY ON THE POLARIZATION EFFECT IN MEASUREMENTS OF THIN WIRE DIAMETER WITH HIGH ACCURACY |
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| XIE JIAN-PING,QIU YAN-HUI,MING HAI,LI CHUAN-QI,NIU YA-PING,XI LI-FENG and S. OZONO.THE INFLUENCE OF METAL OPTICAL PROPERTY ON THE POLARIZATION EFFECT IN MEASUREMENTS OF THIN WIRE DIAMETER WITH HIGH ACCURACY[J].Acta Physica Sinica,1990,39(11):1830-1834. |
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| Authors: | XIE JIAN-PING QIU YAN-HUI MING HAI LI CHUAN-QI NIU YA-PING XI LI-FENG and S OZONO |
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| Abstract: | The influence of metal optical property on the polarization effect in measurements of thin wire diameter with high accuracy has been studied in the present paper. The experimental Values of thin wire diameter obtained from its Fraunhofer diffraction patterns, which are produced by polarized light with the vibrations parallel and perpendicular to the wire axis respectively, is different. The theoretical analysis shows that this difference of wire diameter is approximately proportional to the imaginary part of complex index of metal, and is inde-pent of its real part. Some experimental results agree well with the theory. |
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