Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 17, 2026

$Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics$

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

Varifocal liquid lens based on microelectrofluidic technology.

Jong-hyeon Chang¹, Kyu-Dong Jung, Eunsung Lee

¹Micro Systems Laboratory, Samsung Advanced Institute of Technology, Yongin, Gyeonggi, South Korea. jh11.chang@samsung.com

|November 2, 2012

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Discovery of a Thermostable Nigerose Phosphorylase for the Efficient Chemoenzymatic Radiosynthesis of a <i>S. aureus</i>-Targeted <sup>18</sup>F-Disaccharide.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·2026

Same author

Dose calculation accuracy with extended CT scales near metal: phantom-patient evaluation using a beam-metal overlap metric.

Radiation oncology (London, England)·2026

Same author

Heterogeneous Iron-Catalyzed Borylation of Aryl Fluorides.

The Journal of organic chemistry·2026

Same author

Correction to "Iron-Catalyzed Borylation of Aryl Trifluoromethoxides".

Organic letters·2025

Same author

Discrete Cation Exchange in Ag-Au-S Quantum Dots Using Reactivity Engineered Cation Precursors.

ACS nano·2025

Same author

Bench-Stable Copper Complex for Trifluoromethylation and <sup>18</sup>F-Labeling of Aryl Iodides.

Organic letters·2025

This study introduces a tunable liquid lens using microelectrofluidic technology. This microelectrofluidic lens (MEFL) offers wide optical power variation with fast, precise digital control.

Area of Science:

Optoelectronics
Microfluidics
Applied Physics

Background:

Traditional liquid lenses face limitations in tunability and response speed.
Microfluidic systems offer precise fluid manipulation for advanced optical components.

Purpose of the Study:

To develop a tunable liquid lens utilizing microelectrofluidic technology.
To achieve a wide range of optical power variation with high-speed digital control.

Main Methods:

Electrowetting-induced Laplace pressure in a hydrophobic surface channel.
Design of a microelectrofluidic lens (MEFL) with specific aperture and channel dimensions.
Analog and digital control modes using applied voltage and patterned electrodes.

Main Results:

More Related Videos

Soft Lithographic Procedure for Producing Plastic Microfluidic Devices with View-ports Transparent to Visible and Infrared Light

Soft Lithographic Procedure for Producing Plastic Microfluidic Devices with View-ports Transparent to Visible and Infrared Light

Published on: August 17, 2017

Lensless Fluorescent Microscopy on a Chip

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

Related Experiment Videos

Last Updated: May 17, 2026

$Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics$

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

Soft Lithographic Procedure for Producing Plastic Microfluidic Devices with View-ports Transparent to Visible and Infrared Light

Soft Lithographic Procedure for Producing Plastic Microfluidic Devices with View-ports Transparent to Visible and Infrared Light

Published on: August 17, 2017

Lensless Fluorescent Microscopy on a Chip

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

Achieved a wide optical power range from +210 D to -30 D.
Demonstrated fast switching times with averaged transit time of 2.4 ms and turnaround time of 16.5 ms.
Contact angle saturation was overcome by narrow surface channel design for increased Laplace pressure.

Conclusions:

The proposed microelectrofluidic lens (MEFL) provides tunable optical power.
MEFL offers advantages of wide optical power variation and fast, precise digital controllability.
Potential for widespread application in optical systems requiring dynamic focusing.