A single metasurface layer with an aperture on the opposite face of a flat substrate achieves diffraction-limited focusing over a >170-degree field of view, verified experimentally at 5.2 um up to 85 degrees.
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A single-layer panoramic metalens with > 170{\deg} diffraction-limited field of view
A single metasurface layer with an aperture on the opposite face of a flat substrate achieves diffraction-limited focusing over a >170-degree field of view, verified experimentally at 5.2 um up to 85 degrees.