bn:00020661n
Noun Concept
Categories: Neutron instrumentation, Optical devices, Synchrotron instrumentation, X-ray instrumentation, Radiology
EN
collimator  angle dekkor  Beam-limiting device  beam limiting device  Colimator
EN
Optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam WordNet 3.0
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EN
Optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam WordNet 3.0 & Open English WordNet
A collimator is a device which narrows a beam of particles or waves. Wikipedia
Device which narrows a beam of particles or waves Wikidata
A similar device that produces a parallel beam of particles such as neutrons. Wiktionary
WordNet 3.0 & Open English WordNet
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