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Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

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Published on: May 25, 2016

Electrically Tunable Lenses for Imaging and Light Manipulation.

Lijun Chen¹, Shijie Liang¹, Zhenshi Chen²

¹School of Microelectronics Science and Technology, Sun Yat-sen University, Zhuhai 519082, China.

|February 25, 2023

Summary

This summary is machine-generated.

Electrically controlled optofluidic devices leverage liquid interfaces for tunable optical functions in microsystems. This review covers principles, developments, and applications of electrowetting and dielectrophoresis in optofluidics.

Keywords:

dielectrophoresis electrowetting liquid lens microfluidics optofluidics

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Area of Science:

Optofluidics
Microfluidics
Optics

Background:

Optofluidics integrates optics and microfluidics for novel microsystems.
Electrically actuated optofluidics utilizes mature fabrication and microfluidic control for optical functions.

Purpose of the Study:

Review the working principles and recent advancements in electrical optofluidic devices.
Discuss applications and introduce novel designs for electrically controlled liquid lenses.

Main Methods:

Electrically modulating liquid/air or liquid/liquid interfaces within microchambers.
Employing electrowetting and dielectrophoresis for optical manipulation.

Main Results:

High refractive index differences at interfaces enable significant optical tunability.
Electrical actuation allows for versatile optical functions like lensing and beam steering.

Conclusions:

Electrically controlled optofluidic devices offer promising solutions for optical imaging and portable electronics.
Novel designs based on electrowetting and dielectrophoresis are proposed to advance liquid lens technology.