rad/s 10
0 . 5 10
4 . 2 Hz
10 9 . 7 10
8 . 3 VIS
rad/s 10
1 . 3 10
0 . 5 Hz
10 0 . 5 10
8 . 7 UV
15 15
14 14
18 15
17 14
0 1 2 3 4 6 8 10 12 14 16
-90.0 -45.0 0.0 45.0 90.0
N2
Z=14 N=2·1025 mol/m3
0=2·1016 rad/s =3·1015 rad/s
(10
16rad/s)
(
)
0 1 2 3 4 6 8 10 12 14
-2.0x10-39 0.0 2.0x10-39 4.0x10-39
N2
Z=14 N=2·1025 mol/m3
0=2·1016 rad/s =3·1015 rad/s
(10
16rad/s)
R e(
)
0.0 2.0x10-39 4.0x10-39 6.0x10-39
0
Im (
)
1 2 3 4 5
0.996 0.998 1.000 1.002
1.004 N
2
Z=14 N=2·1025 mol/m3
0=2·1016 rad/s =3·1015 rad/s
(10
16rad/s)
n
0.000 0.002 0.004 0.006
0
k
0 1 2 3 4 5 -1.0
-0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
SiO2
Z=30 N=2.6·1028 mol/m3
0=1.4·1016 rad/s =5·1015 rad/s
1, 2
(1016 rad/s)
1
2
0.0 0.5 1.0 1.5 2.0
SiO2
Z=30 N=2.6·1028 mol/m3
0=1.4·1016 rad/s =5·1015 rad/s
n,k
n k
0 1 2 3 4 5 0
10 20 30
SiO
2
Z=30 N=2.6·1028 mol/m3
0=1.4·1016 rad/s =5·1015 rad/s
R (%)
(1016 rad/s)
0 1 2 3 4 5
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
4.0 SiO2
Z=30 N=2.6·1028 mol/m3
0=1.4·1016 rad/s =5·1015 rad/s
1, 2
(1016 rad/s)
1
2
0 1 2 3 4 5
0.0 0.5 1.0 1.5
2.0 SiO2
Z=30 N=2.6·1028 mol/m3
0=1.4·1016 rad/s =5·1015 rad/s
n,k
(1016 rad/s)
n k
2 22 2
1 1
k n
k R n
0.1 0.2 0.3 0.4 0.5
0 0.5 1 1.5 2 2.5 3 3.5 4
1,
2 (10
16rad/s)
1
2
p-10 -8 -6 -4 -2 0
0 0.5 1 1.5 2 2.5 3 3.5 4
(10
16rad/s)
1
p=1.6 10
16rad/s
E=10.5 eV =117.5 nm
=2.51 10
-14s N=8.5 10
28m
-3
pProprieta’ ottiche di un metallo
(modello di Drude)
0 0.2 0.4 0.6 0.8 1
0 0.5 1 1.5 2 2.5 3 3.5 4
p=1.6 10
16rad/s
E=10.5 eV =117.5 nm
=2.51 10
-14s N=8.5 10
28m
-3
pR
0 1 2 3 4 5
0 0.5 1 1.5 2 2.5 3 3.5 4
(10
16rad/s)
n
p=1.6 10
16rad/s
E=10.5 eV =117.5 nm
=2.51 10
-14s N=8.5 10
28m
-3
p, n k k
2 22 2