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[[Image:ART RCS2.png|thumb|left|480px|Figure 2: Variation of normalized back-scatter RCS (σ/λ²) of a thin metal square plate of dimensions 0.3λ₀ × 0.3λ₀ as a function of elevation angle θ for the case of an incident TMz (Eθ) polarization, solid red line: [[EM.Libera]] results, solid blue line: [[EM.Tempo]] results with a zero-thickness plate, solid green line: [[EM.Tempo]] results with a 0.01λ0 thick plate, red magenta symbols: simulated data using the finite element method (FEM) presented by Ref. [1].]]

[[Image:ART RCS3.png|thumb|left|480px|Figure 3: Variation of normalized back-scatter RCS (σ/λ²) of a thin metal square plate of dimensions 0.3λ₀ × 0.3λ₀ as a function of elevation angle θ for the case of an incident TEz (Eφ) polarization, solid red line: [[EM.Libera]] results, solid blue line: [[EM.Tempo]] results with a zero-thickness plate, solid green line: [[EM.Tempo]] results with a 0.01λ0 thick plate, red magenta symbols: simulated data using the finite element method (FEM) presented by Ref. [1].]]

[[Image:ART RCS4.png|thumb|left|480px|Figure 4: Variation of normalized back-scatter RCS (σ/λ²) of a thin metal square plate of dimensions a × a as a function of k₀a (normalized plate length or normalized frequency) for the case of a normally incident plane wave source, solid red line: [[EM.Libera]] results, solid blue line: [[EM.Illumina]] (PO) results, red magenta symbols: measured data referenced by Ref. [2].]]

[[Image:ART RCS6.png|thumb|left|480px|Figure 7: A reproduction of the results given by Ref. [3] for variation of normalized bistatic RCS (σ/λ²) of a large 5λ₀ × 5λ₀ metal square plate based on a simple physical optis optics approximation of uniform currents on the plate. The  TMx and TEx polarizations in this figure correspond to the TMz and TEz polarizations in Figure 5 and 6, respectively.]]

[[Image:ART RCS8.png|thumb|left|480px|Figure 8: Variation of normalized back-scatter RCS (σ/λ²) of a metal cube of dimensions a × a × a as a function of k₀a (normalized cube dimension or normalized frequency) for the case of a normally incident plane wave source, solid red line: [[EM.Libera]] results, solid blue line: [[EM.Tempo]] results, red magenta symbols: measured data given by Ref. [4].]]