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Federico Carpi, Gabriele Frediani, Simona Turco and Danilo De Rossi Bioinspired Tunable Lens with Muscle-Like Electroactive Elastomers Advanced Functional Materials 21

Version of Record online: 15 SEP 2011 | DOI: 10.1002/adfm.201101253

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An electrically tunable lens made of dielectric elastomer “artificial muscles” is presented. The device is inspired by the architecture of the crystalline lens and ciliary muscle of the human eye. Upon electrical activation, an elastomeric artificial muscle deforms a fluid-filled elastomeric lens, producing a relative variation of focal length comparable to that of the human lens. Results show that combing bioinspired design with the unique properties of dielectric elastomers as artificial muscle transducers has the potential to open new perspectives on tunable optics.

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