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What is the reason two rays originally polarized orthogonally but were rotated to parallel polarization does not visibly interfere even slightly?
The Fresnel–Arago laws by Augustin-Jean Fresnel and François Arago summarise some of the more important properties of interference between light of different states of polarization.
The laws are as ...
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Are two polarization states of light coherent?
Let's consider a situation: we have distant point source of unpolarized light in certain non-zero range of wavelengths (it's polychromatic). Let's divide this light into 2 beams depending on ...