Surface Plasmon Polaritons (SPPs) - Introduction and basic properties
Surface Plasmon Polaritons (SPPs) - Introduction and basic properties
Surface Plasmon Polaritons (SPPs) - Introduction and basic properties
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+<br />
2<br />
ω0 = Km<br />
γ = bm<br />
-<br />
ω 0<br />
Harmonic oscillator (Lorentz) model<br />
m&x<br />
& + bx&<br />
+ Kx<br />
= eE<br />
= eE<br />
p = ex<br />
= ε αE<br />
P = Np<br />
= ε χE<br />
0<br />
0<br />
0<br />
e<br />
iωt<br />
e m<br />
iΘ eE<br />
x =<br />
E = Ae<br />
2 2<br />
ω −ω<br />
− iγω<br />
m<br />
0<br />
2<br />
ω p<br />
ε = 1+<br />
χ = 1+<br />
2 2<br />
ω −ω<br />
− iγω<br />
2 2 ωp = Ne / mε0 plasma frequency<br />
0<br />
ω 0
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