Dynamic Water-Wave Tweezers
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866908759255678976 |
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| author | Wang, Jun Pang, Shanhe Che, Zhiyuan Liu, Chang Du, Zhongxia Hu, Xilai Li, Yanyong Wang, Bo Shi, Lei Bliokh, Konstantin Y. Shen, Y. |
| author_facet | Wang, Jun Pang, Shanhe Che, Zhiyuan Liu, Chang Du, Zhongxia Hu, Xilai Li, Yanyong Wang, Bo Shi, Lei Bliokh, Konstantin Y. Shen, Y. |
| contents | Following a recent demonstration of stable trapping of floating particles by stationary (monochromatic) structured water waves [Nature 638, 394 (2025)], we report dynamic water-wave tweezers that enable controllable transport of trapped particles along arbitrary trajectories on the water surface. We employ a triangular lattice formed by the interference of three plane waves, which can trap particles, depending on parameters, either at intensity maxima or at intensity zeros (vortices). By introducing small frequency detunings between the interfering waves, we control 2D motion of the lattice and trapped particles. This approach is robust and effective over a relatively broad range of particle sizes and wave frequencies, offering remarkable new possibilities for noncontact manipulation of floating (e.g., biological and soft-matter) objects in fluidic environments. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_07166 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Dynamic Water-Wave Tweezers Wang, Jun Pang, Shanhe Che, Zhiyuan Liu, Chang Du, Zhongxia Hu, Xilai Li, Yanyong Wang, Bo Shi, Lei Bliokh, Konstantin Y. Shen, Y. Fluid Dynamics Optics Following a recent demonstration of stable trapping of floating particles by stationary (monochromatic) structured water waves [Nature 638, 394 (2025)], we report dynamic water-wave tweezers that enable controllable transport of trapped particles along arbitrary trajectories on the water surface. We employ a triangular lattice formed by the interference of three plane waves, which can trap particles, depending on parameters, either at intensity maxima or at intensity zeros (vortices). By introducing small frequency detunings between the interfering waves, we control 2D motion of the lattice and trapped particles. This approach is robust and effective over a relatively broad range of particle sizes and wave frequencies, offering remarkable new possibilities for noncontact manipulation of floating (e.g., biological and soft-matter) objects in fluidic environments. |
| title | Dynamic Water-Wave Tweezers |
| topic | Fluid Dynamics Optics |
| url | https://arxiv.org/abs/2601.07166 |