光学学报, 2019, 39 (3): 0305002, 网络出版: 2019-05-10
基于环形光束整形的衍射光学元件的精确设计 
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Precise Design of Diffraction Optical Elements Based on Annular Beam Shaping
图 & 表
图 1. 计算区域示意图。(a)输入平面;(b)输出平面
Fig. 1. Schematics of computational area. (a) Input plane; (b) output plane
图 2. 不同算法下的迭代过程。(a)传统的改进G-S算法;(b)所提算法
Fig. 2. Iterative process for different algorithms. (a) Conventional improved G-S algorithm; (b) proposed algorithm
图 3. 采用传统的改进G-S算法得到的光强分布。(a)二维光强分布;(b)三维光强分布
Fig. 3. Intensity distributions obtained with conventional improved G-S algorithm. (a) Two-dimensional intensity distribution; (b) three-dimensional intensity distribution
图 4. 采用传统的改进G-S算法设计的相位在加倍采样后的光强分布。(a)二维光强分布;(b)三维光强分布
Fig. 4. Intensity distributions of the phase designed by the conventional improved G-S algorithm after double sampling. (a) Two-dimensional intensity distribution; (b) three-dimensional distribution
图 5. 所提算法得到的环形光斑的光强分布。(a)二维光强分布;(b)三维光强分布
Fig. 5. Intensity distributions of circle-spot obtained with proposed algorithm. (a) Two-dimensional intensity distribution; (b) three-dimensional intensity distributions
图 7. 不同算法设计的SLM相位。(a)传统的改进G-S算法;(b)所提算法
Fig. 7. SLM phase designed with different algorithms. (a) Conventional improved G-S algorithm; (b) proposed algorithm
表 1两种算法下的仿真结果和实验结果
Table1. Simulated and experimental results obtained with two algorithms
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杨美霞, 孔哲, 谭峭峰, 任钢, 薛亮平. 基于环形光束整形的衍射光学元件的精确设计[J]. 光学学报, 2019, 39(3): 0305002. Meixia Yang, Zhe Kong, Qiaofeng Tan, Gang Ren, Liangping Xue. Precise Design of Diffraction Optical Elements Based on Annular Beam Shaping[J]. Acta Optica Sinica, 2019, 39(3): 0305002.
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