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searching for Fermat's principle 7 found (60 total)

Gaspard le Compasseur de Créquy-Montfort Courtivron (296 words) [view diff] exact match in snippet view article find links to article

Newton's ideas in contrast to Cartesian views on light and wrote on Fermat's principle of least time in optics. In 1744 he was elected to the Royal Academy

Rectilinear propagation (303 words) [view diff] exact match in snippet view article find links to article

path, as well proving the rectilinear propagation of light. Diffraction Plane wave "Fermat's principle". Oxford Reference. Retrieved 2024-01-01. v t e

Cloak of invisibility (2,625 words) [view diff] case mismatch in snippet view article find links to article

could therefore be made invisible to sonar, for example. According to Fermat's Principle, light follows the trajectory of the shortest optical path, that is

Victor Veselago (1,456 words) [view diff] exact match in snippet view article find links to article

1088/2040-8978/13/2/020401. S2CID 122755557. Veselago, Viktor G (2002). "Formulating Fermat's principle for light traveling in negative refraction materials". Physics-Uspekhi

Geothermal exploration (1,540 words) [view diff] case mismatch in snippet view article find links to article

active seismology studies but generally all include Huygens Principle, Fermat's Principle and Snell's law. These basic principles can be used to identify subsurface

Constantin Carathéodory (4,926 words) [view diff] exact match in snippet view article find links to article

Carathéodory demonstrated the equivalence of Huygens' principle and Fermat's principle starting from the former using Cauchy's theory of characteristics

Seismic anisotropy (5,684 words) [view diff] exact match in snippet view article find links to article

wrote on surface waves in transversely isotropic half space and on Fermat's principle in anisotropic media respectively. With all these, the advancement