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PI Physik Instrumente - Semiconductor Applications 5/24 ROS LB
spherical aberration Dictionary Terms

Mangin mirror
A double-surfaced catadioptric spherical mirror whose spherical first surface consists of a negative meniscus (concave) lens...
Cassegrain lens system
A two-mirror lens design used in astronomical telescopes, the primary being a parabola, the secondary a smaller hyperbola....
dialytic telescope
A telescope that corrects dispersion and spherical aberration through the use of one or more lenses, usually smaller than...
Schmidt camera
A camera that consists of a concave spherical mirror with an aspheric plate situated at the center of curvature of the...
Seidel aberrations
Seidel aberrations refer to a set of monochromatic aberrations in optical systems, named after the German mathematician and...
oblique spherical aberration
coma, fifth order aberration with on-axis focal point variation with incident off axis ray height position
spherical aberration
Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...
Maksutov corrector
A thick meniscus lens arranged concentric with the center of curvature of a spherical mirror to produce an image free of...
Hartmann test
A test for spherical aberration, coma or astigmatism in which incident rays from a point source are isolated by small holes...
meniscus anastigmat
An anastigmatic lens with a thick meniscus construction that flattens the field and corrects chromatic and spherical...
oblique error
The image error that results from astigmatism, coma, oblique spherical aberration, lateral color and distortion.
aspherizing
The modification of the spherical surfaces in an optical system to correct for spherical aberration.
astronomical mirror
An astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It...
Topogon lens
A symmetrical, very wide-angle lens. Well-corrected for spherical aberration and color, the Topogon can cover fields up to...
corrector plate
An optical element designed to correct each zone of a reflector or refractor for spherical aberration.
metalens
A metalens, short for "metasurface lens," is a type of optical lens that uses nanostructured materials to manipulate light...
spherochromatism
A lens aberration. The chromatic variation of spherical aberration.
aspheric
Not spherical; an optical element having one or more surfaces that are not spherical. The spherical surface of a lens may be...
aplanatic surface
An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...
achromat
An achromat, in the context of optics, refers to a type of lens or lens system designed to reduce chromatic aberration....
Wadsworth mounting
A system used for gratings that consists of a concave mirror, a grating and a plate holder mounted normal to the grating to...
triple aplanat
A compound lens consisting of two negative lenses of flint glass. A double-convex lens of crown glass is cemented between...
aplanat
Also known as aplanatic lens. A lens corrected for spherical aberration and coma.
axial gradient
In gradient index optics, a gradient profile in which the refractive index varies along the direction of light propagation,...
rectilinear system
An optical system that is corrected for distortion and spherical aberration and therefore forms the image of a straight line...
abaxial spherical aberration
off-axis paraboloid and ellipsoid mirror
Off-axis paraboloid and ellipsoid mirrors are specialized optical components used in various optical systems, particularly...
Ritchey-Chretien telescope
A form of Cassegrain telescope having a concave hyperbolic primary and a convex hyperbolic secondary. This form permits the...
kidney-bean effect
A dark region created by spherical aberration of an eyepiece's exit pupil. Because of the aberration, an observer's eye must...
aspheric mirror
An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...
double-Gauss lens
A fast, wide-angle lens used in television and photographic cameras, with excellent overall correction, but subject to...
aplanatic points
Aplanatic points refer to specific points in an optical system where certain aberrations, such as spherical aberration or...
paraboloidal mirror
A concave mirror that has the form of a paraboloid of revolution. The paraboloidal mirror may have only a portion of a...
gradient-index profile
The term gradient-index profile refers to a specific type of refractive index distribution within an optical material. In...
aspheric lens
An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...
soft-focus filter
A filter that creates spherical aberration resulting in an image with a soft outline.
Schmidt plate
An aspheric plate placed at, or near, the center of curvature of a spherical reflector and used to correct for spherical...
positive spherical aberration
soft-focus lens
A lens that exhibits spherical aberration when used at large aperture settings, and that forms an image with a slightly...
aplanatic lens system
A system that satisfies the Abbe sine condition, and is free from spherical aberration and coma.

(40 results found)

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