Complex Index of Refraction of Silicon

 
Here is the complex index of referaction of Silicon (from Handbook of Optical Constants of Solids (E.D. Palik))
 
Complex index of refraction of Si
 
Note that the imaginary part k increases as soon as the wavelength is small enough for band-to-band absorption processes; i.e. h · n > EG applied (with EG = band gap).
 

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go to 3.7.2 The Complex Index of Refraction

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