0.08021mm
0.00024mm
0.00025mm
641.7nm
2nm
642±2nm
1.4%
N=250 λ=632.8nm △=5*10-5mm
λ=2△d/N
()()d ??===
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1
5
()i
i λ
λ===
=
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()()d N
λ=?=??=
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?±=λλλ10(0%)E λλλ-=
=?=
公认公认
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