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Invisibility Cloaking Could Become a Reality

News   Jun 29, 2018 | Original Story from The Optical Society.

 
Invisibility Cloaking Could Become a Reality

A broadband wave illuminates an object, which reflects green light in the shown example, making the object detectable by an observer monitoring the wave. A spectral invisibility cloak transforms the blocked color (green) into other colors of the wave’s spectrum. The wave propagates unaltered through the object, without “seeing its color” and the cloak subsequently reverses the previous transformation, making the object invisible to the observer. Credit: Luis Romero Cortés and José Azaña, Institut National de la Recherche Scientifique.

 
 
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