激光拉曼光谱技术.ppt

文档介绍：Raman Spectroscopy
EXCITED!
. Raman, 1928
One in 107
Inelastic scattering
Of Light!
EXCITED!
VIRTUAL
Stokes and anti-Stokes
Polarizability
Polarizability Ellipsoid
Polarizability in
different directions
are different!
Use polarizability ellipsoid to represent this
Rotational Raman Effect
Ellipsoid should
not be a sphere!
Initial state
Final
state
6B
10B
14B
6B
10B
14B
Stokes
Anti-Stokes
20B
12B
J
3
2
1
0
6B
2B
0
EJ
30B
Vibrational Raman Effect
Polarizability ellipsoid should change shape