| 利用级联衍射光学元件对多波长混合光实现聚焦、整形和分光谱 |
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| 引用本文： | 丁 立,黄坤,康学亮,李永平.利用级联衍射光学元件对多波长混合光实现聚焦、整形和分光谱[J].量子电子学报,2014,31(1):25-32. |
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| 作者姓名： | 丁 立 黄坤 康学亮 李永平 |
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| 作者单位： | 中国科学技术大学光学与光学工程系， 安徽 合肥 230026 |
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| 摘 要： | 衍射光学元件（Diffractive optical elements ,DOE）具有独特的色散特性和灵活的设计自由度，将多个DOE级联用于太阳能电池聚光系统可同时实现聚焦、整形和分光谱功能。文中给出了设计思想和算法，并用七波长混合光作入射光进行模拟，优化后在目标面得到七个形状规则且完全分开的均匀圆斑。将此级联结构应用到太阳能聚光系统可有效提高太阳能利用效率。
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| 关 键 词： | 傅立叶光学 太阳能聚光系统 DOE级联 聚焦 整形 分光谱 |
| 收稿时间： | 2013-05-29 |
| 修稿时间： | 2013-08-15 |
Modulate Mixed Multi-wavelength Lights to Realize Focusing,Shaping and Spectrum Separation Function by Cascaded Diffractive Optical Elements |
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| DING Li,HUANG Kun KANG Xueliang LI Yongping.Modulate Mixed Multi-wavelength Lights to Realize Focusing,Shaping and Spectrum Separation Function by Cascaded Diffractive Optical Elements[J].Chinese Journal of Quantum Electronics,2014,31(1):25-32. |
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| Authors: | DING Li HUANG Kun KANG Xueliang LI Yongping |
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| Affiliation: | Department of Optics & Optical Engineering，University of Science and Technology of China ,Hefei 230026，China |
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| Abstract: | Diffractive optical element (DOE) has unique dispersion characteristics and flexible design freedom. The cascaded DOE is applied in the concentrator system of solar cell to achieve focusing, shaping and spectrum separation function and presents the design methods and algorithms. Seven regular shaped and completely separated spots are observed on the target surface when simulating with the mixed seven-wavelength light. It is proved that the cascaded DOE structure can greatly enhance the efficiency of solar energy utilization. |
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| Keywords: | Fourier optics solar concentrator system cascaded DOE focusing shaping spectrum separation |
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