| 设计参数变化对衍射微透镜的影响 |
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| 引用本文： | 刘玉玲,卢振武,孙强. 设计参数变化对衍射微透镜的影响[J]. 红外与激光工程, 2004, 33(4): 414-417 |
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| 作者姓名： | 刘玉玲 卢振武 孙强 |
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| 作者单位： | 中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,吉林,长春,130022;中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,吉林,长春,130022;中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,吉林,长春,130022 |
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| 基金项目： | 中国科学院创新课题资助项目(2002LQ.04) |
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| 摘 要： | 给出了多台阶衍射微透镜的设计公式，并阐述了旋转体时域有限差分法。通过采用该方法对设计的多台阶衍射微透镜进行分析，说明了设计参数(包括焦距、入射波长、透镜材料折射率)的变化与微透镜衍射效率、爱里斑半径、最大场强变化的关系，对部分结果的定性讨论与数值分析结果一致。
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| 关 键 词： | 衍射 微透镜 时域有限差分法 |
| 文章编号： | 1007-2276(2004)04-0414-04 |
| 收稿时间： | 2003-09-13 |
| 修稿时间： | 2003-09-13 |
Effect of changing design parameters on diffractive microlens |
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| LIU Yu-ling,LU Zhen-wu,SUN qiangcs,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun ,China). Effect of changing design parameters on diffractive microlens[J]. Infrared and Laser Engineering, 2004, 33(4): 414-417 |
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| Authors: | LIU Yu-ling LU Zhen-wu SUN qiangcs Fine Mechanics Physics Chinese Academy of Sciences Changchun China) |
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| Affiliation: | LIU Yu-ling,LU Zhen-wu,SUN qiangcs,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130022,China) |
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| Abstract: | The designing formula of multilevel diffractive microlenses is presented. Body-of-revolutionary finite-difference time-domain method (BOR FDTD) is illustrated. The multilevel diffractive microlenses are analyzed by use of BOR FDTD. The effects of changing design parameters (including focal length, incident wavelength, refractive index of microlens material) on multilevel diffractive microlens are investigated. The results show that changing design parameters have effects on diffractive efficiency, airy diffraction disc radius and maximum electric magnitude of microlens. The qualitative analyses of microlenses are consistence with some of numerical results. |
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| Keywords: | Diffractive Microlens Finite-difference time-domain method |
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