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Design and Fabrication of 2 𝛍𝐦 Metasurface-based Orbital Angular Momentum (OAM) Mode Generator Employing Reflective Optical Antenna Array

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Abstract

A chip-scale reflective metasurface is designed and fabricated for generating 2 μm orbital angular momentum (OAM) mode with topological charge of +1 or −1. We also study the operation performance of fabricated OAM mode generator in experiment.

© 2017 Optical Society of America

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