What is normal and anamolous dispersion

1.	What is normal and anamolous dispersion
Answer» In between two absorption bands, the index always INCREASES toward shorter wavelengths. This is normal dispersion. ... This latter PHENOMENON is called “anomalous dispersion.” (or sometimes “RESONANT dispersion.”) There is a close relationship between the absorption versus wavelength and the index versus wavelength.

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What is normal and anamolous dispersion

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