Can you give the realation between the refrative i

Question

Can you give the realation between the refrative index of a light of certain wavelength?? I mean formula or something.

Sumit Majumdar · Accepted Answer

This is given by the standard Cauchy relation:
$n(\lambda) = B + \frac {C}{\lambda^2} + \frac{D}{\lambda^4} + \cdots,$
wherenis the refractive index, λ is the wavelength,B,C,D, etc., arecoefficientsthat can be determined for a material by fitting the equation to measured refractive indices at known wavelengths. The coefficients are usually quoted for λ as thevacuum wavelengthinmicrometres.

Usually, it is sufficient to use a two-term form of the equation:
$n(\lambda) = B + \frac{C}{\lambda^2}$
where the coefficientsBandCare determined specifically for this form of the equation.

Modern Physics> Can you give the realation between the re...

Can you give the realation between the refrative index of a light of certain wavelength?? I mean formula or something.

Rishi Kesan , 11 Years ago

Sumit Majumdar

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Modern Physics> Can you give the realation between the re...

Can you give the realation between the refrative index of a light of certain wavelength?? I mean formula or something.

Rishi Kesan , 11 Years ago

Sumit Majumdar

LIVE ONLINE CLASSES

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