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Fig. 2 | Nanoscale Research Letters

Fig. 2

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

Fig. 2

a Phase of the periodic regular hexagonal nanorods for different structural parameters \(H_1\) and w at a wavelength of 1529 nm. b The transmission efficiency and c the reflection efficiency of the periodic structure for different thicknesses \(H_1\) in the wavelength range of 1400–1600 nm. d Transmission efficiency of the periodic structure for different thicknesses \(H_2\) in the wavelength range of 1400–1600 nm

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