Optics

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Light

Light is a form of electromagnetic radiation that is visible…

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Absorbance

In spectroscopy, absorbance or decadic absorbance it is the amount…

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Parallax

Parallax is a deceptive change in the relative position of…

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Absorption

Absorption may have different definitions depending on the field of…

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Aberration of starlight

Aberration of starlight is the difference between the observed position…

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Spherical aberration

Spherical aberration is a defect of spherical mirrors and some…

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Comatic aberration

Comatic aberration (or coma), in an optical system refers to…

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Aberration

In optics, the aberration is a flaw in the imaging…

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Chromatic aberration

Chromatic aberration (also called chromatic distortion and spherochromatism) is a…

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Defocus aberration

Defocus aberration is a type of aberration in which an…

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Focus

In geometrical optics, is called focus (or image point) the…

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Defocus

Defocus is the aberration in which an image is simply…

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Petzval field curvature

Petzval field curvature, named for Joseph Petzval, describes the optical…

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Astigmatism

In optics, astigmatism is a lens or mirror defect in…

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Distortion (optics)

In geometric optics, distortion is a type of optical aberration…

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Quantum optics

Quantum optics is the study, and application of the quantum…

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