Nonmechanical three-dimensional beam steering using electrowetting-based liquid lens and liquid prism

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In this paper, we present a system for nonmechanical three-dimensional beam steering using an electrowetting based liquid lens and liquid prism. The optical design of the presented system was modeled with Zemax and three-dimensional beam steering was simulated by changing the ROC of the lens and the apex angle of the prism. The liquid lens from Corning-Varioptic was used and the liquid prism was fabricated and these were combined. The liquid lens and liquid prism were filled with two immiscible liquids whose densities are the same. The liquid lens provides variable focal lengths as the applied voltage is changed. The diopter range of the liquid lens is from -3.9 D to 14.5 D. Beam steering on the x-axis, y-axis, and xy-axis was achieved by applying different voltages to four sidewalls of the liquid prism. The liquid prism has a beam steering angle of up to 11.6 degrees, 12 degrees, and 11.8 degrees on x-axis, y-axis, and xy-axis, respectively. By combining the electrowetting actuated liquid lens and liquid prism, three-dimensional beam steering control including the z-axis direction was demonstrated. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publisher
OPTICAL SOC AMER
Issue Date
2019-12
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.27, no.25, pp.36757 - 36766

ISSN
1094-4087
DOI
10.1364/OE.27.036757
URI
http://hdl.handle.net/10203/271172
Appears in Collection
EE-Journal Papers(저널논문)
Files in This Item
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