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photomultiplier

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photomultiplier
[-mul′tiplī′ər]
Etymology: Gk, phos, light; L, multiplex, many folds
a device used in many radiation detection applications that converts low levels of light into electrical pulses. A bank of such tubes is used in gamma cameras to view a crystal.


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Such flashes can be detected by putting a tank of liquid deep underground to shield it from most stray particles, then lining the tank with photomultiplier tubes that can pick up even the faintest bursts of light.
New detector will help search elusive dark matter by Asian News International
This gives equivalent performance to other systems using photomultiplier tubes, and is also smaller and lighter leading to a more economic unit price.
ATP system gets even better by Food Trade Review
Yet the detectors, known as photomultiplier tubes, tend to be large, fragile, and power-hungry.
Light sensor may improve battlefield tools by Science News
 
 
 
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