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Thursday, March 21, 2013

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

Hao Chen, Yunfeng Guo, Zhaozhong Chen, Jingjing Hao, Ji Xu, Hui-Tian Wang and Jianping Ding
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.
DOI
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