A Do the Fresnel equations of reflection apply to monochromatic light?

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Hello,

I have a monochromatic light source (wavelength ~ 420 nm), which will be incident on the interface of two different media. Could someone please explain if the Fresnel equations applies with monochromatic light when estimating the reflectance and transmitance?
Thank you in advance!

Fresnel equation:

QQ截图20190827123751.png
 

Andy Resnick

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Could someone please explain if the Fresnel equations applies with monochromatic light when estimating the reflectance and transmitance?
Would it help if I pointed out that the index of refraction n = n(λ)?
 
7
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Would it help if I pointed out that the index of refraction n = n(λ)?
Thank you for your hint, now I realized that I also need to take the wavelength into account.
BTW, when a constant monochromatic light (λ≈420 nm) passes through a ø 2.5 mm and 15 mm collimator to produce parallel light beams, is this light unpolarized? Thanks.
 

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