Electrically tunable window device | Zendy

Samuel Shian | Zendy; David R. Clarke | Zendy

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Electrically tunable window device

Author(s) -

Samuel Shian,

David R. Clarke

Publication year - 2016

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.41.001289

Subject(s) - transmittance , materials science , optics , elastomer , curvature , wavelength , optoelectronics , window (computing) , voltage , light intensity , dielectric , deformation (meteorology) , ray , nanowire , physics , composite material , geometry , mathematics , quantum mechanics , computer science , operating system

A device for controlling the transmittance of light over large areas, such as windows, is described. It is based on electrostatically induced surface deformation of soft dielectric elastomer sheets produced when a voltage is applied between two networks of electrically conducting nanowires on either side of the elastomer. Variations in the surface curvature are produced by the applied voltage refract light, decreasing the optical transmittance at all wavelengths. As the device relies on changes in the geometric propagation of light, rather than on chemical changes, it is color neutral.

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