An electro-active polymer based lens module for dynamically varying focal system

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We demonstrate a polymer-based active-lens module allowing a dynamic focus controllable optical system with a wide tunable range. The active-lens module is composed of parallelized two active-lenses with a convex and a concave shaped hemispherical lens structure, respectively. Under operation with dynamic input voltage signals, each active-lens produces translational movement bi-directionally responding to a hybrid driving force that is a combination of an electro-active response of a thin dielectric elastomer membrane and an electro-static attraction force. Since the proposed active lens module widely modulates a gap-distance between lens-elements, an optical system based on the active-lens module provides widely-variable focusing for selective imaging of objects in arbitrary position. Published by AIP Publishing.
Publisher
AMER INST PHYSICS
Issue Date
2016-10
Language
English
Article Type
Article
Keywords

DIELECTRIC ELASTOMER ACTUATORS; LIQUID LENS; MICROLENS

Citation

APPLIED PHYSICS LETTERS, v.109, no.14

ISSN
0003-6951
DOI
10.1063/1.4964426
URI
http://hdl.handle.net/10203/239958
Appears in Collection
ME-Journal Papers(저널논문)
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