Giant transmission Goos–Hänchen shift in surface plasmon polaritons excitation and its physical origin*
Yang Yang, Liu Ju, Li Zhi-Yuan†
       
Calculated electric field intensity patterns of a Gaussian beam transmitted through the interface at SPR angle ( θ 1 = 72.68°) in the x – z plane: (a) without an Ag layer and (b) with an Ag layer of thickness h = 50 nm. (c), (d) Enlarged distributions of electric field intensity.