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Graphene is both transparent and opaque to radiation

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A microchip that filters out unwanted radiation with the help of graphene has been developed by scientists from the EPFL and tested by researchers of the University of Geneva.

EPFL and UNIGE scientists have developed a microchip using graphene that could help wireless telecommunications share data at a rate that is ten times faster than currently possible.

“Our graphene based microchip is an essential building block for faster wireless telecommunications in frequency bands that current mobile devices cannot access,” says EPFL scientist Michele Tamagnone.

Their microchip works by protecting sources of wireless data-which are essentially sources of invisible radiation-from unwanted radiation, ensuring that the data remain intact by reducing source corruption.

Like polarized glasses, their graphene-based microchip makes sure that radiation that only vibrates a certain way gets through. In this way, graphene is both transparent and opaque to radiation, depending on the orientation of vibration and signal direction.

Explore further: On the way to breaking the terahertz barrier for graphene nanoelectronics.

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Article originally posted at phys.org

Post Author: Carla Parsons

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