Suppose that you have a well calibrated interferometer, a source of a monochromatic light of known wavelength and you have a solid sample made of a thin film of a given material, of known thickness, on top of a transparent substrate (a thick glass for instance). What would be your methodology to determine the refractive index of the material that the thin film is made of?
Suppose that you have a well calibrated interferometer, a source of a monochromatic light of known wavelength and you have a solid sample made of a thin film of a given material, of known thickness, on top of a transparent substrate (a thick glass for instance). What would be your methodology to determine the refractive index of the material that the thin film is made of?
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What would the methodology to determine the refractive index be?
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