Relationship between density and refractive index of a medium

Thinker8921 · Oct 25, 2011

What is the relationship (a mathematical one) between the density and the refractive index of a medium?

JeffKoch · Oct 25, 2011

Thinker8921 said:

What is the relationship (a mathematical one) between the density and the refractive index of a medium?

For a given composition of material, the index n at a given wavelength is proportional to density ρ - actually the difference (n-1) is proportional to ρ, since n can be less than 1. But there's a LOT more to calculating the refractive index of a given material at a given wavelength than just it's density.

Relationship between density and refractive index of a medium

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Relationship between density and refractive index of a medium

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