How to create a large-area visible-light invisibility cloak | KurzweilAI: To create the material, they used a nanotransfer printing technique that creates metal/dielectric composite films. These are stacked in a 3-D architecture to achieve nanoscale patterns for operation in the visible spectral range. Control of electromagnetic resonances over the 3-D space by structural manipulation allows precise control over propagation of light...
...he sample they created covers about 4 square centimeters...
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