Research Article
Cherenkov Emission Generated by a Modulated Source in 2D Dispersive Photonic Crystal Slabs
Figure 5
(Color on line) the spatial frequency spectrum of electromagnetic oscillations shown in Figure 4 for various points along the charge path, having highest spectral peaks at . Such oscillations correspond to optical eigenmodes of PCr excited by the moving charged particle for components (a) , (b) , (c) , and (d) , for values and .
(a) |
(b) |
(c) |
(d) |