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Zurich Instruments AG - Lock-In Amplifiers 4/24 LB
Lights Dictionary Terms

primary colors
A set of three colored lights which, when mixed, give the sensation of white light. The set used in color television, for example, is red, green, blue (RGB).
overexposure
The improper exposure of a radiation-sensitive medium that results when there is too much radiation exposing the medium, or...
relief
The discernment of depth or apparent difference in distance that causes the object to stand out from its background because...
light-emitting diode
An LED, or light emitting diode, is a semiconductor device that emits light when an electric current passes through it. LEDs...
machine vision lighting
Machine vision lighting refers to the use of specific lighting techniques and equipment in the field of machine vision,...
reflective
The term reflective is an adjective that describes the ability of a surface or material to reflect light or other forms of...
retroreflection
Retroreflection is a phenomenon in optics where light is reflected back toward its source, typically in a direction nearly...
polycarbonate
A tough, durable, heat- and cold-resistant optical quality plastic used in injection-molded items such as streetlight...
high dynamic range
High dynamic range (HDR) refers to a technology that allows for a broader and more dynamic range of luminosity in visual...
halftones
The gray-colored tones halfway between shadows and highlights in a reproduced image.
contrast control
With respect to television, a potentiometer that allows variation of the intensity of the different elements of an image and...
halogen lamp
A halogen lamp, also known as a tungsten halogen, quartz-halogen, or quartz iodine lamp, is an incandescent lamp that uses a...
additivity of luminance
The luminance of a mixture of lights is the sum of the luminances of the component lights in the mixture.
concave and convex spherical mirror
Concave and convex spherical mirrors are types of curved mirrors that have surfaces shaped like segments of spheres. These...
thermal interface materials
Thermal interface materials (TIMs) are substances or compounds used to enhance the thermal conductivity between two surfaces...
chip-on-board lights
Chip-on-board (COB) lights refer to a type of LED lighting technology where multiple LED chips are directly mounted onto a...
Maxwell's equations
The mathematical set of equations showing the relationship between oscillating electric and magnetic fields that are...
GaN-based LEDs
Gallium nitride-based light-emitting diodes (GaN-based LEDs) are semiconductor devices that emit light when an electric...
gloss
Property of a surface which, because of directional reflection, is responsible for the degree to which reflected highlights...
Fresnel lens
A Fresnel lens is a type of optical lens that consists of a series of concentric grooves or steps carved into a flat, thin...
scanning line
1. The continuous thin strip marked by the scanning beam. Generally, during return of the scan, the line is blanked out. 2....
additive color mixing
Process in which two or more lights are combined by superposition.
anomaloscope
An optical instrument that uses a yellow light of varying intensity with red and blue lights of fixed intensity to test for...
histochemical staining
Histochemical staining is a laboratory technique used in biology and medicine to visualize specific chemical components...
gallium arsenide phosphide
Gallium arsenide phosphide (GaAsP) is a semiconductor alloy composed of gallium (Ga), arsenic (As), and phosphorus (P). It...

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