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astronomical technique > geometrical optics

Preferred term

geometrical optics  

Definition(s)

  • Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Geometrical_optics)

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http://data.loterre.fr/ark:/67375/MDL-HH11ZT6M-1

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