collimated

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Related to Collimated light: collimation

collimated

In a straight line. Collimated light beams are parallel rays of light.
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References in periodicals archive ?
Conventional optoelectronic rain sensing method used collimated light beam to minimize optical power loss from infrared light source.
Point Illumination with a Collimated Light. This geometry is directly addressed by all 4 models.
4 at 32oC was mainly between 0 and 5 degrees, indicating that the collimated light was the major part (high above 95%) and less light was scattered by the material.
For example, in describing how a laser pointer can be used to disable a camera, one guide explains, if redundantly, that it is important to note that "a parallel beam of collimated light does not lose any of its brightness traveling through empty space."
A synchrotron light source is basically an oval electron/positron accelerator that generates intense and highly collimated light that is tunable from infrared to gamma rays.
Rather than the very diffuse light from the bulb used for letterpress, a highly collimated light is required to expose offset plates.
These features are measured by the reflection of a collimated light source on a light-sensitive diode array.
Our experimental design uses a collimated light source directly above a culture dish that illuminates half the dish while the other half is kept dark.