Generating high-purity polarized split beams into different reflecting planes from checkerboard graphene meta-surfaces

The macroscopic mechanism of light traveling based on the general Snell’s laws records the interactions between the gradient phases of meta-surfaces and the involved fields, but it can hardly adequately account for the detailed contributions of meta-atoms to the behaviors of light. Here, we demonstrate the light-microscopic observation of the interference from meta-atoms to characterize the meta-surface with the inhomogeneous spatial distribution of surface susceptibility. The meta-surface will generate multi-order diffractions with a main propagating channel and several other weaker channels, and the light emitted by the meta-atoms will also coherently cancel out the original incidence. Such an extinction theorem in the meta-surface regime can sufficiently predict the negative refraction with a phase gradient beyond the critical angle, instead of vanishing when following the route of general Snell’s laws.

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Generating high-purity polarized split beams into different reflecting planes from checkerboard graphene meta-surfaces

Cited by 3 publications

References 34 publications

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Patterned graphene: An effective platform for adsorption, immobilization, and destruction of SARS-CoV-2 Mpro

Developing checkerboard cross element metasurface with multi-Fano response for sensing in the infrared spectrum

Meta-surface extinction theorem: a light-microscopic observation on the interference from meta-atoms

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