| 基于TFT-LCD的相位型菲涅尔波带片生成的中空光束 |
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| 引用本文： | 范君柳. 基于TFT-LCD的相位型菲涅尔波带片生成的中空光束[J]. 红外, 2010, 31(1): 26-29 |
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| 作者姓名： | 范君柳 |
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| 作者单位： | 苏州科技学院数理学院,江苏,苏州,215009 |
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| 基金项目： | 苏州科技学院教学质量工程“光电信息技术课程群教学改革与实践”项目 |
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| 摘 要： | 中空光束具有特殊的物理性质，在光信息处理、微电子学、同位素分离和分子光学等领域有着广泛的应用。本文提出采用TFT—LCD制作相位型菲涅尔波带片，平面波经TFTLCD衍射生成中空光束。实验结果表明，基于TFT—LCD的菲涅尔波带片生成的中空光束具有实时可调、快捷和精确等优点。
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| 关 键 词： | TFT—LCD 菲涅尔波带片 中空光束 |
| 收稿时间： | 2009-09-15 |
| 修稿时间： | 2009-09-24 |
Hollow Beam Generated from Phase-model Fresnel Zone Plate Based on TFT-LCD |
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| FanJunLiu. Hollow Beam Generated from Phase-model Fresnel Zone Plate Based on TFT-LCD[J]. Infrared, 2010, 31(1): 26-29 |
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| Authors: | FanJunLiu |
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| Affiliation: | School of Mathematics and Physics, Suzhou University of Science and Technology |
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| Abstract: | A hollow beam has its particular physical properties and has wide applications in the fields of optical information process, microelectronics, isotope seperation and molecule optics etc.. A TFT-LCD is proposed to be used to fabricate a phase-mode Fresnel Zone Plate and hence a hollow beam can be formed by the plane wave via the TFT-LCD. The experimental result shows that the hollow beam generated from the Fresnel Zone Plate based on a TFT-LCD has the advantages of real-time adjustability, simplicity and accuracy. |
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| Keywords: | TFT-LCD Fresnel zone plate hollow beam |
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