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Mathematical description of Refractive index in crystal/glass

  1. Oct 13, 2012 #1
    Hi,

    I have read on a website that the refractive index of glass is related to the number of electrons it has per unit volume.

    I don't recall which website it was, but is it true? & if so what is the quantitative description behind it? or is it a lot more complicated :)

    Many thanks for the replies.
     
  2. jcsd
  3. Oct 14, 2012 #2
  4. Oct 15, 2012 #3
    you should better take a look in feynman lectures vol.1(the origin of refractive index) and 2 both.it is not complicated if you know that an electron can be pictured as bounded to atom by a restoring force.
     
  5. Oct 16, 2012 #4
    These are very primitive models. Please don't extrapolate any engineering value nor deduce any comparison between glass from these models.
     
  6. Oct 18, 2012 #5
    Thank you very much indeed.
     
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