现代光电子学（2）
现代光电子学（2）
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国家自然科学基金委员会<br />
数理学部实验物理讲习班<br />
1836年 Canchy(科希)给出了一个经验公式:<br />
B C<br />
n= A+ +<br />
λ λ<br />
2 3<br />
A, B, C —— 介质决定的常数,由实验数据给出<br />
当λ变化范围不大时:<br />
B<br />
n= A+ λ<br />
2
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