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Updated: Jun 20, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Tunable Acoustic Tweezer System for Precise Three-Dimensional Particle Manipulation.

Jiyun Nan^1,2, Hiep Xuan Cao², Jong-Oh Park²

¹School of Mechanical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea.

|October 26, 2024

Summary

This summary is machine-generated.

This study presents a tunable acoustic tweezer system for precise 3D particle manipulation. The novel acoustic lens allows dynamic focal length adjustment, enabling accurate control of microparticles.

Keywords:

acoustic lens acoustic tweezer particle manipulation targeted drug delivery ultrasonic actuation

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Last Updated: Jun 20, 2026

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Published on: September 27, 2011

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Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

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Published on: August 21, 2018

Area of Science:

Acoustic manipulation
Microparticle handling
Precision engineering

Background:

Precise manipulation of microparticles is crucial for various scientific and industrial applications.
Existing acoustic tweezer systems often lack dynamic tunability for 3D control.

Purpose of the Study:

To develop and evaluate a tunable acoustic tweezer system for precise 3D particle trapping and manipulation.
To demonstrate the system's capability in controlling particles along and perpendicular to the acoustic wave propagation axis.

Main Methods:

Utilized a dual-liquid-layer acoustic lens with an adjustable latex membrane for dynamic focal length control.
Conducted experiments with spherical particles (1.5 mm diameter) for z-axis and 3D manipulation.
Implemented a visual feedback-based particle navigation system for enhanced accuracy.

Main Results:

Achieved precise z-axis manipulation with a range of 33.4-53.4 mm and high accuracy (0.044 ± 0.045 mm error).
Successfully guided particles along complex 3D paths, including helical and multilayer rectangular trajectories, with minimal deviation.
Visual feedback significantly improved positional accuracy compared to open-loop control.

Conclusions:

The tunable acoustic tweezer system offers robust and precise 3D control of microparticles.
The dynamic tunability and visual feedback system make it suitable for demanding applications like targeted particle delivery and advanced material manipulation.