Three-dimensional dynamic optical trapping using non-iterative computer-generated holography

doi:10.1016/j.optlaseng.2023.107500

Three-dimensional dynamic optical trapping using non-iterative computer-generated holography

2023-05-01

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DOI：10.1016/j.optlaseng.2023.107500

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Abstract

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Holographic optical trapping enables three-dimensional (3D) particle manipulation based on a traditional iter-ative algorithm. However, this type of particle manipulation is typically unstable. It is challenging to realize continuous dynamic 3D optical trapping because a unique solution of uniformity cannot be obtained over sev-eral time-consuming iterations. In this study, 3D multifocal spots with high uniformity were generated via non -iterative algorithms (using a complex amplitude coding method and fan-shaped subzone phase method) to realize stable dynamic optical trapping for 3D particle manipulation. The corresponding experimental results pave the way for potential applications of colloid transport and the micro-assembly of objects in the micro-operation field.

Keywords:

Optical trapping

Computer-generated holography

Non-iterative

Three-dimensional

Three-dimensional dynamic optical trapping using non-iterative computer-generated holography

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