Giant transmission Goos–Hänchen shift in surface plasmon polaritons excitation and its physical origin |
(a) Calculated phase difference ϕ t of Gaussian transmitted wave as a function of θ 1; (b) calculated lateral displacement S t as a function of θ 1; (c) S t as a function of θ 1 at different wavelengths; (d) left: S t at different wavelengths at SPR angle; right: corresponding SPR angle at different wavelengths. |