I- Interféromètre de Michelson et planéité d`un miroir

◦
cos (2α) = cos2(α)−sin2(α) = 1 −2.sin2(α) = 2.cos2(α)−1
cos α+ cos β= 2.cos α+β
2.cos α−β 2
cos α=ej α+e−j α
2
π
ε0 1 2
2 2
2
f0
−1
OA +1 OA0=1
f0
1 2 y
λ◦
x e
1 2
1
e0ε e0
ε(e0)e0= 0
e0= 0 2α
λ
P C P C∗
1P C∗ 2
◦

i
α λ
δθ
λ= 600
α
2 2 1
2 2
y0y2
e0 1 Π2 1
e(P)1 2 2 r e0R r R
e0R
δϕ(P) = π4e(P)
λ+ 12
r y0y
2
f02f0
p0k
k= 1
R1Rkk R1k
λ R
2 2
Π1
R k (k+ 1)
P C P C∗
1P C∗ 2
◦

P C P C∗
1P C∗ 2
◦

◦
a100 m T1T2
Oz
O f0F0
T1T2a
2
P C P C∗
1P C∗ 2
◦

z
O
T1
T2
F0
x
A
λ=
2,0µm
A0A
δ0A A0
T1T2
IA(x)x
(xF 0y)
B iB6= 0
xOz A
xBF0B
IB(x)x
A B iA= 0 iB6= 0
xOz
λ=
2,0µm
IASB(x)x
a
iB
imin
P C P C∗
1P C∗ 2
◦