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PI Physik Instrumente - Semiconductor Applications 5/24 ROS LB
lens design Dictionary Terms

perfect lens
A theoretical, ideal lens capable of producing perfect images. Used as a lens design and analysis tool to image collimated output from an afocal system.
infrared lens
An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...
slide projection lens
A lens designed for projection of color transparencies.
Cassegrain lens system
A two-mirror lens design used in astronomical telescopes, the primary being a parabola, the secondary a smaller hyperbola....
machine vision lens
A machine vision lens is a specialized optical lens designed for use in machine vision systems, which are used for automated...
pseudo-second-derivative
A method used to approximate the values of the homogeneous second derivatives at each iteration in the course of lens design...
spherical aberration
Spherical aberration is an optical aberration that occurs when light rays passing through a lens or curved optical surface...
Geometrical optics
The area of optics in which the propagation of light is described by geometrical lines (or rays) governed by Fermat's...
MTF optimization
Computerized lens design algorithm that permits the lens MTF characteristic to be included and controlled during the...
aplanatic surface
An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...
apochromat
An apochromat, often referred to as an apochromatic lens or apochromatic objective, is a type of optical system designed to...
wide-angle lens
A wide-angle lens is a type of camera lens that has a shorter focal length than a standard or normal lens, allowing it to...
lens blank
A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which...
aplanatic points
Aplanatic points refer to specific points in an optical system where certain aberrations, such as spherical aberration or...
point light source
1. With respect to angular subtense, a source of light, such as a star, that is very small. In a lab, a point source may be...
hill cloud lens
A fish-eye lens designed to photograph cloud formations over the entire visible sky.
dispersion
Dispersion refers to the phenomenon where different wavelengths (colors) of light travel at different speeds when passing...
chromatic aberration
Chromatic aberration is an optical phenomenon that occurs when different wavelengths (colors) of light are refracted by a...
transmission sphere
A precision lens designed to convert the plane wavefront output of an interferometer to a spherical wavefront for the...

(19 results found)

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