计算物理 ›› 2002, Vol. 19 ›› Issue (1): 77-80.

• 论文 • 上一篇    下一篇

一种用于均匀照明的衍射光学元件设计的混合算法

李涛1, 付绍军1, 王炜2, 徐俊中2, 李永平2   

  1. 1. 中国科学技术大学同步辐射实验室, 安徽 合肥 230027;
    2. 中国科学技术大学物理系, 安徽 合肥 230026
  • 收稿日期:2000-07-10 修回日期:2001-01-08 出版日期:2002-01-25 发布日期:2002-01-25
  • 作者简介:李涛(1976-),男,内蒙古包头,硕士生,从事衍射光学元件设计和加工方面的研究.
  • 基金资助:
    863416计划资助项目

A HYBRID ALGORITHM APPLIED TO THE DESIGN OF DIFFRACTIVE OPTICAL ELEMENTS USED IN UNIFORM ILLUMINATION

LI Tao1, FU Shao-Jun1, WANG Wei2, XU Jun-zhong2, LI Yong-ping2   

  1. 1. National Synchrotron Radiation Laboratory, Hefei 230027, P R China;
    2. Department of Physics, University of Science & Technology of China, Hefei 230026, P R China
  • Received:2000-07-10 Revised:2001-01-08 Online:2002-01-25 Published:2002-01-25

摘要: 介绍一种综合迭代法和优化算法两者优势的混合算法,并用于设计ICF靶场照明衍射光学元件,得出比先前方法更加理想的模拟结果.其衍射效率达到97.5%,均方误差为0.026,并且顶部极为平坦.

关键词: 迭代, 优化, 位相混合法, 模拟退火法

Abstract: A hybrid method which collects the advantages of both iterative method and optimization method is introduced.This method is adopted in designing the diffractive optical device used in target illumination of ICF system,and better design results are obtained.The diffractive efficiency is up to 97.5%,the mean square error is 0.026 and the focal plane profile has an perfectly flat top.

Key words: iteration, optimization, phase mixed algorithm, simulation annealing method

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