光学学报, 2019, 39 (7): 0714003, 网络出版: 2019-07-16
基于非正交二元相位板的多焦点阵列光镊 下载: 1268次
Multifocal Array Optical Tweezers Using Non-Orthogonal Binary Phase Plate
图 & 表
图 2. 相位板设计。(a)相位分布示意图;(b)遗传算法原理图
Fig. 2. Design of phase plate. (a) Schematic of phase distribution; (b) principle of genetic algorithm
图 3. 不同非正交阵列分布多焦点的相位图及其对应的聚焦场强度分布
Fig. 3. Phase patterns of multiple focal spots and corresponding intensity distributions in focal plane with different non-orthogonal arrays
图 4. 实验装置示意图。(a)二元相位板制作过程示意图;(b)相位板显微成像图;(c)实验点阵图;(d)实验光路图
Fig. 4. Schematic of the experimental setup. (a) Schematic of manufacturing process for binary phase plate; (b) microscopy image of phase plate; (c) experimental result of focal-spot array; (d) schematic of experimental light path
图 5. 焦平面上不同偏转角度的3×3个光斑分布图和对应捕获的二氧化硅微球的实验结果图
Fig. 5. Intensity distributions of 3×3 focal spots with different inclination angles in focal plane and corresponding experimental results of optical trapping for silica microspheres
表 1数值优化结果
Table1. Results of numerical optimization
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孙丰钰, 陈苗, 梁宇, 宋翰林, 王天屹, 刘忠凯, 孙美玉, 朱林伟. 基于非正交二元相位板的多焦点阵列光镊[J]. 光学学报, 2019, 39(7): 0714003. Fengyu Sun, Miao Chen, Yu Liang, Hanlin Song, Tianyi Wang, Zhongkai Liu, Meiyu Sun, Linwei Zhu. Multifocal Array Optical Tweezers Using Non-Orthogonal Binary Phase Plate[J]. Acta Optica Sinica, 2019, 39(7): 0714003.