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Multi-functional single-source acoustic tweezer
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AI
DOI：10.1007/s11433-023-2217-0.png)
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Abstract
En 中文
Acoustic tweezers have gained considerable attention due to their potential and important role in various applications. A cost-effective and precise method for manipulating particles is using 3D-printed acoustic holographic lenses. However, this technique is limited in its determined function for particle manipulation with a single holographic lens. We propose a method to overcome this limitation by constructing a multi-functional acoustic tweezer, which is capable of achieving diverse functions of particle manipulation. We demonstrate the ability to achieve fixed-angle rotation of a rectangular particle, multi-pattern particles arrangement, selectable left-right movement of a particle on a line, and completing two distinct trajectories with a single particle. Our proposed method offers a flexible and real-time controlling approach for acoustic tweezers, which can partially substitute the phased arrays with high circuit complexity.
Keywords:
acoustic hologram
acoustic tweezer
particle transport
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