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Fig. 7 | Nanoscale Research Letters

Fig. 7

From: All-Dielectric Phase-Gradient Metasurface Performing High-Efficiency Anomalous Transmission in the Near-Infrared Region

Fig. 7

Phase distribution of a phase-gradient metasurface consisting of different element numbers. a Nine-element metasurface. b Eight-element metasurface. c Seven-element metasurface. d Five-element metasurface. e Four-element metasurface. f Three-element metasurface. df depict two periods to better show the anomalous transmission effect. The detailed parameters are shown in Table 3

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