1

:A3:() ()1.2.3. Michelson

1.2.3.(Michelson Interferometer)

1.

*(permanent dipole moment):

*(Orientation Polarization):P(or) (polarize)

(induced dipole moment): 1.P(el) 2.stretchingbending(O-C-O)P(d) (Distortion Polarization) P(dielectric constantClausius-Mossotti

M

*

* IR P(or) P(el)+P(d)* P(d) P(el) P(el)

*P(el)

n(refractive index)

N0

*Clausius-Mossotti

Lorentz

*

1n11 2n22

2.

(Gaussian beam)

I0 w1/e2

*

W0(waist) Z

Z3.(Michelson Interferometer)

Michelson's Interferometer Constructive interference: Destructive interference :

*: M2() M1() *M1M2 d1d2

mm

v0 1v1 2v2 t d

...(1)

(2)

(1)(2)

End~