New insight into light propagation and light–matter interactions with applications to experimental observations
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DOI: 10.1016/j.ijleo.2019.163954
Abstract: Abstract The paper provides a new understanding of light propagation and light–matter interactions by examining the physical implications of group velocity, electromagnetic (EM) power flow, Poynting theorem, energy conservation law, and Fermat's principle. A criterion… read more here.
Keywords: energy conservation; propagation; conservation law; fermat ... See more keywords
Ray refraction in uniaxial crystals by Fermat's principle.
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DOI: 10.1364/ao.57.004950
Abstract: Fermat's principle is used to study the refraction of extraordinary rays into and out of uniaxial crystals with arbitrary optic axis orientations. The method produces direct formulas for the direction cosines of the refracted rays… read more here.
Keywords: refraction uniaxial; crystals fermat; fermat principle; uniaxial crystals ... See more keywords