4. Light guidance by optical devices
4.1 Light guides
Light guides are optical devices that channel light rays along a regular curve in the direction of light propagation. They can be built around discrete elements such as diopters or mirrors, or be continuous, using graded-index materials. The most common technique is to adjust two diopters around a rectilinear axis to design lenses and mirrors for optical instruments. Well-known light guides are those that preferably use graded-index materials, such as optical fibers and graded-index lenses.
These systems imply that Descartes' law is described in fixed reference frames (§ 4.2
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Light guidance by optical devices
Bibliography
Bibliography
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Octave: free version of the Matlab software, based on the matrix formalism and adapted for calculations in many scientific contexts.
Websites
Refractive Index Info https://refractiveindex.info/
Compagnie Rayforme http://rayform.ch/Rayforme
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