Related Experiment Video
Updated: Apr 28, 2026

08:17
Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
Published on: May 25, 2016
10.7K
Contactless automated manipulation of mesoscale objects using opto-fluidic actuation and visual servoing
Emir Vela1, Moustapha Hafez2, Stéphane Régnier3
1Department of Mechanical Engineering, Universidad de Ingeniería y Tecnología, Av. Cascanueces 2221 Santa Anita, Lima, Peru.
The Review of Scientific Instruments
|June 2, 2014
Summary
This study presents an automated opto-fluidic system for high-speed, parallel manipulation of microcomponents using laser-driven flows. The system enables precise, non-contact control of micro-objects, demonstrating efficient micro-manipulation capabilities.
Area of Science:
- Optofluidics
- Microfluidics
- Laser manipulation
Background:
- Microcomponent manipulation is crucial for various scientific and industrial applications.
- Existing methods often face limitations in speed, precision, or parallel processing capabilities.
Purpose of the Study:
- To develop an automated opto-fluidic system for parallel, non-contact manipulation of microcomponents.
- To leverage laser-driven thermocapillary flows for high-speed micro-object handling.
Main Methods:
- Utilized laser-driven thermocapillary flows for microcomponent propulsion.
- Implemented a single laser and mirror scanner for parallel manipulation.
- Integrated visual servoing with a high-speed camera for automated control and precision.
Main Results:
- Demonstrated parallel, non-contact manipulation of microcomponents at speeds up to millimeters per second.
- Successfully manipulated glass beads ranging from 30 to 300 μm in diameter.
- Achieved accurate parallel movement through automated visual feedback.
Conclusions:
- The developed automated opto-fluidic system offers efficient and precise parallel manipulation of microcomponents.
- Laser-driven thermocapillary flows are effective for high-speed micro-object handling.
- The system shows potential for advancing micro-assembly and lab-on-a-chip technologies.

