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Simultaneous beam steering and shaping using a single-interface optofluidic component

Simultaneous beam steering and shaping using a single-interface optofluidic component Abstract.An optofluidic component actuated by electrowetting-on-dielectrics capable of simultaneously deflecting and shaping a beam in two dimensions, using a single liquid–liquid interface, is presented. The device features 32 individually addressable electrodes through which the interface is shaped using an open-loop control method to generate arbitrary surfaces. During steering-only operation, the resulting liquid prism can be rotated continuously with a repeatability of ±0.071  deg for individual positions. By choosing an appropriate surface shape, for example, it is possible to form a cylindrical lens, expanding the beam in only one axis, or to dynamically tune the scanned beam width. The presented results provide insights into the possibilities resulting from more complex surface control of optofluidic devices. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Optical Microsystems SPIE

Simultaneous beam steering and shaping using a single-interface optofluidic component

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References (41)

Publisher
SPIE
Copyright
© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
ISSN
2708-5260
eISSN
2708-5260
DOI
10.1117/1.jom.1.4.044002
Publisher site
See Article on Publisher Site

Abstract

Abstract.An optofluidic component actuated by electrowetting-on-dielectrics capable of simultaneously deflecting and shaping a beam in two dimensions, using a single liquid–liquid interface, is presented. The device features 32 individually addressable electrodes through which the interface is shaped using an open-loop control method to generate arbitrary surfaces. During steering-only operation, the resulting liquid prism can be rotated continuously with a repeatability of ±0.071  deg for individual positions. By choosing an appropriate surface shape, for example, it is possible to form a cylindrical lens, expanding the beam in only one axis, or to dynamically tune the scanned beam width. The presented results provide insights into the possibilities resulting from more complex surface control of optofluidic devices.

Journal

Journal of Optical MicrosystemsSPIE

Published: Oct 1, 2021

Keywords: electrowetting; liquid prism; cylindrical lens; beam steering; beam shaping; optofluidics

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