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

J4 ›› 2014, Vol. 31 ›› Issue (1): 25-32.

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

丁立¹,黄坤¹,康学亮²,李永平¹

中国科学技术大学光学与光学工程系，安徽合肥 230026

收稿日期:2013-05-29 修回日期:2013-08-15 出版日期:2014-01-28 发布日期:2013-12-31
通讯作者: 李永平（1945—）教授，博士生导师，主要从事计算物理在凝聚态材料和衍射光学器件中的应用等方面的研究。 E-mail:liyp@ustc.edu.cn
作者简介:丁立（1989—）研究生，主要从事衍射光学方面的研究。Email：tsdingli@mail.ustc.edu.cn
基金资助:
国家自然科学基金(11074239)资助项目

Modulate Mixed Multi-wavelength Lights to Realize Focusing, Shaping and Spectrum Separation Function by Cascaded Diffractive Optical Elements

DING Li HUANG Kun KANG Xueliang LI Yongping

Department of Optics & Optical Engineering，University of Science and Technology of China ,Hefei 230026，China

Received:2013-05-29 Revised:2013-08-15 Published:2014-01-28 Online:2013-12-31

摘要/Abstract

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。

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

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.

Key words: Fourier optics, solar concentrator system, cascaded DOE, focusing, shaping, spectrum separation

中图分类号:

O436.1

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]. J4, 2014, 31(1): 25-32.

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]. J4, 2014, 31(1): 25-32.

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