collimated beam

collimated beam

[′käl·ə‚mād·əd ′bēm]
(physics)
A beam of radiation or matter whose rays or particles are nearly parallel so that the beam does not converge or diverge appreciably.
References in periodicals archive ?
Laser beam expanders are used within laser systems to expand or increase the size of a collimated beam.
Consider a collimated beam of monoenergetic electrons that is directed at an opaque wall containing two narrow, parallel, and closely spaced slits A and B, with a detection screen at some distance beyond the slits.
The 2x4 mm collimated beam can now be programmed to operate in several modes with a manual step, programmable step, and programmable sweep.
The Aerosol Jet process creates a highly collimated beam of material that remains tightly focused during its travel from the nozzle to the target substrate.
A robot (Figure 1) delivers highly focused 6MV photon radiation from a single, highly collimated beam from hundreds of angles.
The TOM500 system delivers a 6-inch diameter expanded and collimated beam over a working distance of 5,000 feet which can cover an area of up to 10,000 feet, depending on the runway profile and airfield topography.
A judge was told how the container was "found to be emitting a narrow collimated beam of radiation, of a very high dose rate, vertically down from that package base".
Biodosimetry involves employing a microorganism for which the UV dose-response curve can be determined accurately in a collimated beam apparatus).
The QXi analyzers use a collimated beam of 13mm to 0.
In contrast, tumoricidal radiation doses delivered by traditional external beam therapy--via a collimated beam of radiation from an external source--typically range between 100 and 120 Gy.
LaserScan is a widely tunable mid-infrared spectrometer that uses a collimated beam to analyze gases across ducts.