| 电流变液与电-磁流变液的衍射特性 |
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| 引用本文： | 罗春荣 张兆东. 电流变液与电-磁流变液的衍射特性[J]. 光子学报, 1997, 26(12): 1119-1122 |
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| 作者姓名： | 罗春荣 张兆东 |
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| 作者单位： | 西北工业大学应用物理系!西安，710072，西北工业大学应用物理系!西安，710072，西北工业大学应用物理系!西安，710072 |
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| 基金项目： | 国家自然科学基金，陕西省自然科学基金 |
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| 摘 要： | 本文把电流变液装置作为反射光栅研究其衍射特性,首次提出由电场强度改变来调节光栅常数的概念.并讨论了同时外加电场与磁场的情况下,电磁流变液的衍射特性.
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| 关 键 词： | 电流变液(ER流体) 电-磁流变液(EMR流体) 可控光栅常数 |
| 收稿时间： | 1997-05-08 |
THE DIFFRACTION CHARACTER OF ER FLUIDS AND EMR FLUIDS |
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| Luo Chunrong,Zhang Zhaodong,Zhao Xiaopeng. THE DIFFRACTION CHARACTER OF ER FLUIDS AND EMR FLUIDS[J]. Acta Photonica Sinica, 1997, 26(12): 1119-1122 |
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| Authors: | Luo Chunrong Zhang Zhaodong Zhao Xiaopeng |
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| Affiliation: | Northwestern Polytechnical University, Xi’an 710072 |
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| Abstract: | In this paper,the diffraction character of ER fluids has been studied. It is found that ERfluid can be considered as an optical grating when an external electric field is applied. With the electricfield to be rising, the grating constants increase, that is, the grating is adjustable. Meanwhile,EMR fluids are studied in different condition. When an electric -field and a magnetic field are applied atthe same time, each other perpendicularly,a two-dimension mesh structure is found in EMR fluids,and the laser diffraction fringe photograph has been obtained. |
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| Keywords: | Electrorheological fluids (ER fluids) Electro-Magneto-rheological fluids (EMR fluids) Adjustable grating constant |
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