| Optically inscribed surface-relief zone plates in azo polymer films |
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| 作者姓名： | 杨军 郭斌 张斗国 王沛 明海 |
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| 作者单位： | Academe of Optoelectronic Technology Hefei University of Technology，College of Information Science and Technology，Nanjing Forestry University，Department of Physics，University of Science and Technology of China，Department of Physics，University of Science and Technology of China，Department of Physics，University of Science and Technology of China，Hefei 230009 Department of Physics，University of Science and Technology of China，Hefei 230026，Nanjing 210037，Hefei 230026，Hefei 230026，Hefei 230026 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China under Grant No. 90206002. |
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| 摘 要： | We describe a simple and cost-effective holographic method for the fabrication of surface-relief zone plates. The zone plate is inscribed by interference between the first- and second-order diffracted waves from an ion-etched Fresnel zone plate. The inscribed surface-relief zone plates are observed by atomic force microscope (AFM). The formation process of the surface grating and the mass diffusion in azo polymer are analyzed.
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