摘要
分析了二阶量化产生的误差,提出了一种基于模拟退火算法的优化算法,对二阶量化的相位数据进行优化,改善其输出光场,减小二阶量化带来的误差。仿真结果表明:优化过后DOE输出光场的不均匀性由41.92%降至23.18%,误差函数由28.74%降至20.47%,可见提出的算法在减小DOE二阶量化误差方面具有一定的应用价值。
The error of second-order quantization was analyzed,and an optimization algorithm was proposed based on simulated annealing algorithm to optimize the second-order quantized phase data,which could improve the output light field and reduce the error caused by second-order quantization.The simulation results show that the non-uniformity and error function of the DOE output optical field after optimization are reduced from 35.61%to 19.72%and from 27.55%to 16.17%,respectively,showing that the proposed algorithm has certain application value in reducing the error of DOE second-order quantization.
引文
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