应用于光束均匀化整形的SAGAGD算法
Sagagd method for the beam shaping of uniform illumination
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摘要: 分析了模拟退火算法、基因算法、梯度下降法的主要步骤和应用中的优劣，将这三种方法加以综合运用于纯位相元件的优化设计以实现光束均匀化，结果表明，该算法对于设计位相光学元件是十分有效的。Abstract: In this paper, the simulated annealing algorithm, the genetic and the gradient descent algorithm are retrospectively and successfully amalgamated to optimal design of pure phase element for uniform beams. The process of this method is divided into three steps, first the energy enhancement of the main lobe, then the process to make the top of the main lobe to be smooth and the fringe to be steep, at last the of the full optimization beam. After these three steps of optimization, the beam is good enough to be applied to ICF.
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Key words:
- simulated annealing /
- genetic algorithm /
- gradient descent /
- pure phase element
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