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Contact: Charlotte Hsu
University at Buffalo

Changing Polarization of Light

Caption: The direction that a light wave is oscillating changes as the wave is reflected by a sheet of graphene. This changing direction of oscillation -- also known as polarization -- enabled researchers to identify the electronic properties of multiple sheets of graphene stacked atop one another -- even when they were covering each other up.

Credit: Chul Soo Kim, U.S. Naval Research Laboratory

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Related news release: Infrared vision lets researchers see through -- and into -- multiple layers of graphene

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