Finite-Difference Time Domain Techniques Applied to Electromagnetic Wave Interactions with Inhomogeneous Plasma Structures

Figure 8

Comparison between the magnitude of the electric field, in volts/meter, within the cylinder obtained by the eigenfunction method and the FDTD simulation for different collision frequencies; incident wave frequency is set to f_in = 10 GHz, and electron density is set to n₀ = 5 × 10¹⁷ m⁻³.

(a) Eigenfunction, ν = 500 × 10⁶ Hz

(b) FDTD, ν = 500 × 10⁶ Hz

(c) Eigenfunction, ν = 500 × 10⁷ Hz

(d) FDTD, ν = 500 × 10⁷ Hz

(e) Eigenfunction, ν = 500 × 10⁸ Hz

(f) FDTD, ν = 500 × 10⁸ Hz