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In optics, a caustic or caustic network [1] is the envelope of light rays which have been reflected or refracted by a curved surface or object, ...
Reflective caustic generated from a circle and parallel rays. On one side, each point is contained in three light rays; on the other side, each point is contained in one light ray. In differential geometry, a caustic is the envelope of rays either reflected or refracted by a manifold. It is related to the concept of caustics in geometric optics ...
The caustic, in the first case, resembles the sign > (greater than); in the second < (less than). If the angle u1 is very small, O'1 is the Gaussian image; and O'1 O'2 is termed the longitudinal aberration, and O'1R the lateral aberration of the pencils with aperture u2.
Other variants of the Foucault test include the Gaviola or Caustic test which can measure mirrors of fast f/ratio more accurately than the Foucault test which is limited to about (λ/8) wavelength accuracy on small and medium-sized mirrors. The Caustic test is capable of measuring larger mirrors and achieving a (λ/20) wave peak to valley ...
In optics, the Pearcey integral can be used to model diffraction effects at a cusp caustic, which corresponds to the boundary between two regions of geometric optics: on one side, each point is contained in three light rays; on the other side, each point is contained in one light ray.
Caustic (mathematics), the envelope of rays reflected or refracted by a manifold; Caustic (optics), optic phenomenon due to light rays reflecting/refracting through curved surfaces/objects; Caustic Graphics, a graphics technology developer, part of Imagination Technologies; Caustic Window, an alias of Aphex Twin (electronic musician Richard D ...
Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. [1] Optics usually describes the behaviour of visible, ultraviolet, and infrared light.
Geometrical optics deals with rays and their propagation in media. Subcategories. ... Caustic (optics) Chromatic aberration; Circle of confusion; Circumzenithal arc;
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