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Fig. 3 | PhotoniX

Fig. 3

From: Manipulating light transmission and absorption via an achromatic reflectionless metasurface

Fig. 3

Influences of Γi on the optical properties of the model satisfying Eq. (4). a Reflectance of the model system versus frequency and θX in the cases of Γi/Γr = 0 and Γi/Γr = 0.5, respectively, with κ/Γr fixed as − 1. b Reflectance of the model system versus frequency and κ/Γr in the cases of Γi/Γr = 0 and Γi/Γr = 0.5, respectively, with θX fixed as π/2. c Calculated spectra of transmittance (orange lines) and absorbance (blue lines) of the model systems with κ/Γr =  − 1 and θX = π/2, and with Γi/Γr taking 4 different values. d Transmission phase coverage of the model system versus Γi/f0 and Γr/f0. Four symbols labeled with #1–4 correspond four cases studied in c. Upper and lower insets depict the calculated spectra of transmission phase for the systems labeled with #1 and #4, respectively. In all cases studied, we have Γr/f0 = 0.2

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