Stretchable silicon camera next step to artificial retina

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Photograph of the electronic eye camera integrated with a transparent hemispherical cap and a single component imaging lens.Photo: John Rogers, University of Illinois
Photograph of the electronic eye camera integrated with a transparent hemispherical cap and a single component imaging lens.
Photo: John Rogers, University of Illinois
A high-performance, hemispherical "eye" camera has been developed by researchers at the University of Illinois and Northwestern University. It uses an array of single-crystalline silicon detectors and electronics, configured in a stretchable, interconnected mesh.

The complete camera system is the overall size, shape and layout of the human eye.

"Hemispherical detector arrays are much better suited for use as retinal implants than flat detectors," said John Rogers, the Flory-Founder Chair Professor of Materials Science and Engineering at Illinois, and corresponding author of the paper. "The ability to wrap high quality silicon devices onto complex surfaces and biological tissues adds very interesting and powerful capabilities to electronic and optoelectronic device design, with many new application possibilities."

             
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