Fig. 2: Design, fabrication and characterization of the metasurface spectrometer. | Light: Science & Applications

Fig. 2: Design, fabrication and characterization of the metasurface spectrometer.

From: Compact multi-foci metalens spectrometer

Fig. 2

a Nanorod orientation profile of the metasurface spectrometer with 12 focal points. b SEM image of the metasurface sample. c Schematic diagram of the experimental setup used to observe the field distributions on the focal plane

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