Holographic optical tweezers obtained by using the three-dimensional Gerchberg-Saxton algorithm

被引:31
作者
Chen, Hao [1 ]
Guo, Yunfeng
Chen, Zhaozhong
Hao, Jingjing
Xu, Ji
Wang, Hui-Tian
Ding, Jianping
机构
[1] Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Jiangsu, Peoples R China
基金
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词
computer holography; phase modulation; laser trapping; optical confinement and manipulation; spatial light modulators; FOCUSED FIELD; PHASE;
D O I
10.1088/2040-8978/15/3/035401
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An extension of the Gerchberg-Saxton algorithm from two dimensions to three is used to configure a continuous optical trap geometry. Intensity tailoring in a continuous, three-dimensional (3D) volume rather than in multiple discrete two-dimensional planes yields flexible 3D holographic optical tweezers. A numerical simulation and optical demonstrations of continuous 3D beam shaping and particle trapping confirm the capabilities of the method.
引用
收藏
页数:8
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