Читать книгу Electromagnetic Metasurfaces - Christophe Caloz - Страница 4

1 Chapter 1Figure 1.1 Examples of two-dimensional waves manipulating structures [2]. (a...

2 Chapter 2Figure 2.1 Classification of (bianisotropic) metamaterials in terms of their...Figure 2.2 Dispersive response of the electric susceptibility of a resonant ...Figure 2.3 Experimental dispersion curves of the permittivity of silver, gol...Figure 2.4 Normal scattering by a bianisotropic slab sandwiched between two ...

3 Chapter 3Figure 3.1 1D periodic array of period .Figure 3.2 Scattering by a subwavelengthly thick grating of period . The me...Figure 3.3 Three level of metasurface modeling. (a) Generic metasurface made...Figure 3.4 Comparison between the surface and volume models of a metasurface...Figure 3.5 Electric and magnetic current densities, and , on a surface ...Figure 3.6 Curved metasurface with integration pillbox and corresponding sys...

4 Chapter 4Figure 4.1 Illustrations of the application of the Huygens principle and its...Figure 4.2 Illustration of the Kerker effect. An electric dipole, , and a m...Figure 4.3 Surface wave propagating on a metasurface sandwiched between two ...Figure 4.4 Simulated real part of for surface waves, with (a) symmetric an...Figure 4.5 Dispersion of a 60 nm thick silver slab [3].Figure 4.6 The polarization of a normally incident plane wave, linearly pola...Figure 4.7 Illustration of the two specified transformations. (a) The normal...Figure 4.8 COMSOL simulated absolute value of the total electric field (V/m)...Figure 4.9 COMSOL simulated absolute value of the total electric field (V/m)...Figure 4.10 Multiple scattering from a uniform reflectionless bianisotropic ...Figure 4.11 Reflection (dashed line) and transmission (solid line) amplitude...Figure 4.12 Transmission amplitude (a) and phase (b) as functions of the inc...

5 Chapter 5Figure 5.1 2D metasurface focalizing a normally incident plane wave at a poi...Figure 5.2 Approximate fields scattered by the metasurface when illuminated ...Figure 5.3 FDFD computational domain.Figure 5.4 FDFD 2D computational domain with a metasurface lying in-between ...Figure 5.5 FDFD simulations of the fields scattered by a metasurface illumin...Figure 5.6 2D FDTD grid.Figure 5.7 FDTD simulated of a time-varying absorbing metasurface [166].Figure 5.8 FDTD simulated at s of a dispersive metasurface with the susc...Figure 5.9 Electric and magnetic susceptibilities of the polychromatic focus...Figure 5.10 Amplitude of the reflected and transmitted fields scattered by t...Figure 5.11 Amplitude of the reflected and transmitted fields scattered by t...

6 Chapter 6Figure 6.1 Full-wave simulation setup showing a metasurface unit cell with a...Figure 6.2 Simple metasurface scattering particle consisting of a thin metal...Figure 6.3 Reflection and transmission coefficients for the structure in Fig...Figure 6.4 Real and imaginary parts of and for the structure in Figure 6...Figure 6.5 Simple metasurface scattering particle consisting of a thin metal...Figure 6.6 Reflection coefficients for the structure in Figure 6.5 with para...Figure 6.7 Real and imaginary parts of and for the structure in Figure 6...Figure 6.8 Mirror equivalent of the scattering particle in Figure 6.5 (diele...Figure 6.9 Reflection coefficient amplitude, in (a), and phase, in (b), for ...Figure 6.10 Example of a circular-cylindrical dielectric resonator. Due to i...Figure 6.11 Electric and magnetic scattering cross-sections of a dielectric ...Figure 6.12 Cross-sectional views of the electric field distribution of the ...Figure 6.13 Reflection and transmission coefficients of a metasurface formed...Figure 6.14 Electric and magnetic susceptibilities corresponding to the meta...Figure 6.15 Co- and cross-polarized reflection coefficients for the structur...Figure 6.16 Reflection amplitude (a) and phase (b) in terms of the metallic ...Figure 6.17 Unit cell with subwavelength lateral dimensions and constitu...Figure 6.18 Scattering response of the unit cell in Figure 6.17 versus the p...Figure 6.19 Representation of a symmetric unit cell with three metallic cros...Figure 6.20 Full-wave simulations of three different designs for the unit ce...Figure 6.21 Angular scattering by a uniform metasurface that does not affect...Figure 6.22 Representations of the 12 different scattering properties [5].Figure 6.23 Angular scattering properties of four different reciprocal metas...Figure 6.24 Relationships between scattering particle shapes and their symme...

7 Chapter 7Figure 7.1 Reflection and transmission coefficients (7.2) in terms of the me...Figure 7.2 Susceptibilities of a tangential homoanisotropic metasurface cons...Figure 7.3 Reflectance of the metasurface in Figure 7.2 versus frequency and...Figure 7.4 Metasurface operating as an anti-reflection coating for normally ...Figure 7.5 Reflection and transmission power coefficients of the antireflect...Figure 7.6 Metasurface surface power density contributions with along the ...Figure 7.7 Refraction efficiency computed by (7.18) for a metasurface design...Figure 7.8 Full-wave simulated real part of obtained using (a) the first s...Figure 7.9 Direct and reverse transformations for synthesizing a fully effic...Figure 7.10 Full-wave simulated electric field magnitude for the two refract...Figure 7.11 Simulated diffracted power for the metasurface in Figure 7.10a (...

8 Chapter 9Figure 9.1 Two regions separated by a zero-thickness interface inducing a di...Figure 9.2 Two regions separated by a slab of thickness and parameters a...Figure 9.3 System of coordinate. The currents that lie on the -plane at a...