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Dual-wavelength Terahertz Metalens Based on Geometric Phase Metasurface

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Abstract

We proposed a novel dual-wavelength meta-atom, which could be used to independently modulate the geometric phase of the circularly polarized incident wave at two terahertz frequencies. A prototype dual-wavelength metalens has been designed and verified at the terahertz regime.

© 2019 The Author(s)

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