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Vectorial Hermite-Laguerre-Gaussian beams beyond the paraxial approximation
  • 时间：0
  • 分类：TN24[电子电信—物理电子学]
  • 作者机构：[1]Institute of Laser Physics and Chemistry, Sichuan University, Chengdu 610064, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant No 10574097）.Acknowledgment Li J L is grateful to Prof K. Fu for fruitful discus- sions relating the subject of this paper.
  • 相关项目：激光光学中几个物理问题的研究
关键词： 激光, 部分相干光束, 模拟退火算法, 光束补偿, partially coherent beam, phase plate, simulated annealing （SA）. beam shading
中文摘要：

Taking the Gaussian Schell-model beam as a typical example of partially coherent beams, this paper applies the simulated annealing (SA) algorithm to the design of phase plates for shaping partially coherent beams. A flow diagram is presented to illustrate the procedure of phase optimization by the SA algorithm. Numerical examples demonstrate the advantages of the SA algorithm in shaping partially coherent beams. An uniform flat-topped beam profile with maximum reconstruction error RE < 1.74% is achieved. A further extension of the approach is discussed.

英文摘要：

Taking the Gaussian Schell-model beam as a typical example of partially coherent beams, this paper applies the simulated annealing （SA） algorithm to the design of phase plates for shaping partially coherent beams. A flow diagram is presented to illustrate the procedure of phase optimization by the SA algorithm. Numerical examples demonstrate the advantages of the SA algorithm in shaping partially coherent beams. An uniform flat-topped beam profile with maximum reconstruction error RE 〈 1.74% is achieved. A further extension of the approach is discussed.

同期刊论文项目
激光光学中几个物理问题的研究
期刊论文 88 获奖 2 著作 1
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