Power Reflection For A Single AR Coating

This calculates the percent of power reflected from an substrate surface covered with an Anti-Reflective (AR) coating.
The fundamental theory behind these calculations lies in Snells' law.

Substrate n value:
Substrate k value:
AR Coating n value:
Thickness of AR Coating:	nm
Wavelength of Light:	nm
Percent of power reflected at this thickness:	%

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