Microsoft PowerPoint - 108-104-干涛è‹⁄干涛嗕- -
19

·1887-
- -
5
sinb m
b
cos 4 cosI I
md m sin 1

N=3 N-1=2
26
N=6 N-1=5
27
- -
32
…C D
i
2 2 tan sin
t i
f t
36

https://zh.wikipedia.org/wiki/
38
SPM1M’2 L1L2 M1M’2d L1L22dcosθ
39
0
45
40
5
1 10FINE MICROMETER 2 11 3 12FP 4 13COMPENSATOR 5 14BEAMSPLITTER 6 15 7 16 8FP 17SOCKER2 9PRESETTING MICROMETER

8
9
43


0-25mm
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46
-
-


47
coherence-
48
coherence-
49
50
Coherence Temporal Coherence Michelson Interferometer
Spatial Coherence Young's Interference

51
1 2L CLL

1- M1M2 2- 3-M212M1 M2 4- 5-M2M1
1 2
m
0-25mm
m

-1-He-Ne
61
5-6 15-18cm
62
-1-He-Ne
-2-
65
2 nl N
n l N
T P

012mm13mm 12+Δd (mm) 5.5 SO… Δd=0.55mm 12.55mm


0n
73
-3-





2 2 0