Interférences par division du front d`onde Notes de

|∆p|>1/2
• |∆p|
• |∆p|
S S0
S1
S2)~u1~u2S1S2~u1=
−−−→
S0S1
S0S1~u2=
−−−→
S0S2
S0S2
δ∆=(SS1−SS2)−(S0S1−S0S2)
M
B
|δ∆| ≈ 
−−→
SS0.(~u1−~u2)
< λ
•δ∆−−→ SS0⊥(~u1−~u2)
~u1~u2
•~u1=~u2
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n
e
B
e n
I(λ) = I1+I2+ 2pI1.I2.cos 2π
λ∆ + ϕsup
I=
N
P
k=1
I(λk)
I=Rλmin
λmin I(λ)dλ
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p(M) = δ(M)
λλ M
M
M
M
M
lc=c∆t∆λ
λ
lc=λ2
∆λ
δ
|δ|> lc
N
` x y
a x λ
N
N= 8 ` x y
a x λ
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