m
（ ）
m
（ ）
m
（ ）
n
r2
r
1
r - r
n
d
2
d
2
2
1
2
2
（nx + ）+L2
（nx - ）+L2
0
1
0.7000000112
0.700002758
0.7000000112
0.7000021009
中央亮条纹
6.57129 10-7
6.57149 10-7
2
3
0.7000103414
0.7000227611
0.7000400169
0.7000621084
0.7000621084
0.7001207967
0.7001573923
0.7001988212
0.700245083
0.706036129
0.723810760
1.96877119
0.7000090271
0.7000207897
0.7000373884
0.700058823
0.700058823
0.7001161975
0.7001521363
0.7001929086
0.700238513
0.706003551
0.723747204
1.96853753
6.57130333 10-7
6.57125 10-7
4
6.5708 10-7
5
6.570258 10-7
6.56926286 10-7
6.5695725 10-7
6.56935667 10-7
6.568617 10-7
6.5153976 10-7
6.3554774 10-7
2.3366182 10-7
2.498166 10-8
6
7
8
9
10
50
100
1000
10000 18.4134353
18.4131855
171