fluorescent screen


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fluorescent screen

[flu̇¦res·ənt ′skrēn]
(engineering)
A sheet of material coated with a fluorescent substance so as to emit visible light when struck by ionizing radiation such as x-rays or electron beams.
References in periodicals archive ?
That is why I tried to combine Edison's fluorescent screen with photographic plate.
It puts out 120 watts in all four channels and has a user-friendly help function through a fluorescent screen on the unit itself and through a display on the TV.
This device strips positively charged helium ions off an extremely fine, curved needle tip, kept at liquid-hydrogen temperatures, and shoots them, in divergent paths, at a fluorescent screen. What appears on the screen then is a vastly magnified image (a million times or more) of the needle tip.
The X-ray shadow is then converted to visible light (either by a fluorescent screen or image intensifier), viewed by a video camera, and digitized by an image processor for quantitative analysis and display.
Unabsorbed radiation passing through the casting can be recorded on film or photosensitive (xerographic) paper, viewed continuously (real time) on a fluorescent screen or monitored by various types of electronic radiation detectors.

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