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Collimator

A collimator is a device which narrows a beam of particles or waves. “To narrow” can mean either to cause the directions of motion to become more aligned in a specific direction (i.e., make collimated light or parallel rays), or to cause the spatial cross section of the beam to become smaller (beam limiting device).

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Overview

History

Optical collimators

X-ray, gamma ray, and neutron collimators

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Map overview Semantic statistics

Collimator

Nodes55
Edges54
Triples43
Avg. degree1.96
Density0.036364
Components1

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Collimator

Top relations

related to history · 8
Collimator → Carl Friedrich Gauss, Friedrich Bessel, He, Henry Kater, In, January, Kater, The English
has application · 5
Collimator → In, Söller, The, Without, X-ray
related to In radiation therapy · 5
Collimator → Collimators, The, They, When, X-ray
related to Limitations · 5
Collimator → Although, Attempts, For, Mars Odyssey, Most
related to Computing the spatial resolution · 3
Collimator → Ds, To, Where
related to X-ray, gamma ray, and neutron collimators · 3
Collimator → Collimators, In X-ray, X-ray
is a · 2
Collimator → device that filters a stream of rays so that only those traveling parallel to a specified direction are allowed through, device which narrows a beam of particles or waves
related to Optical collimators · 2
Collimator → In, This
see also · 1
Collimator → AutocollimationAutocollimatorCollimated

Important terminology Word statistics

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Important terminology

collimators used radiation beam may neutron x-ray image rays device parallel optics focus either optical gamma ray also spatial resolution

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Collimatoris adevice which narrows a beam of particles or waves0.90text
Collimatoris adevice that filters a stream of rays so that only those traveling parallel to a specified direction are allowed through0.90text
binoculars or gun barrelsinstance ofor to align two or more devices0.80text
gunsightsinstance ofor to align two or more devices0.80text
aluminium may be usedinstance ofa material0.80text
iridium-192 or cobalt-60instance ofproducing a clear image.For industrial radiography using gamma radiation sources0.80text
a collimatorinstance ofproducing a clear image.For industrial radiography using gamma radiation sources0.80text
toward workers.LimitationsAlthough collimators improve resolutioninstance ofwhile blocking most of the radiation that is emitted in undesirable directions0.80text
they also reduce intensity by blocking incoming radiationinstance ofwhile blocking most of the radiation that is emitted in undesirable directions0.80text
which is undesirable for remote sensing instruments that require high sensitivityinstance ofwhile blocking most of the radiation that is emitted in undesirable directions0.80text
toward workersinstance ofwhile blocking most of the radiation that is emitted in undesirable directions0.80text
Collimatorhas applicationThe0.60section

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