Figure | Schematic diagram of the experiments and experimental results. (IMAGE)
Caption
Figure | Schematic diagram of the experiments and experimental results. The schematics of the measurement of the abnormal-harmonic reflection (a), dual-beam splitting (e), and three-channel retroreflection (i). The photos of the actual experimental scenes (b the abnormal-harmonic reflection, f dual-beam splitting, and j three-channel retroreflection). The fabricated metasurfaces for the abnormal-harmonic reflection (c), dual-beam splitting (j), and three-channel retroreflection (k). d, The comparing results for the abnormal harmonics reflection (solid lines represent theoretical results, and the circle, square, and triangle represent experimental results). h, The comparing results for the beam splitter (solid lines represent theoretical results, and the triangle represents experimental results). l, The comparing results for the three-channel retroreflector (solid lines represent theoretical results, dashed lines represent simulation results, and the triangle represents experimental results). The results of the far-field radiation under (m) −39°, (n) 39°, and (o) 0° incidence, and the inserts represent the energy distributions of different spatial harmonics (0th, −1st, −2nd), respectively.
Credit
Yueyi Zhang et al.
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CC BY