A polarization-tunable spiral metasurface performs switchable directional edge enhancement in a compact form without a conventional 4f system.
The Road to Commercializing Optical Metasurfaces: Current Challenges and Future Directions
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Spiral metasurface enables tunable directional edge enhancement
A polarization-tunable spiral metasurface performs switchable directional edge enhancement in a compact form without a conventional 4f system.