Nonlinear Scattering by Anisotropic Dielectric Periodic Structures

Figure 8

Intensities |𝐹_𝑟,𝑡|² of the field at frequency 𝜔₃=𝜔₁+𝜔₂ radiated from the stack of the layers in the reverse (a) and forward (b) directions of the 𝑧-axis at 𝑁=7, 𝑑₁=1.695 mm, Θ_𝑖1=30^∘,Θ_𝑖2=60^∘ and 𝜔₁=4.982×10¹³s⁻¹, 𝜔₂=2.607×10¹³s⁻¹.

(a)

(b)