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photomultiplier tube

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.07 sec.

A vacuum tube that converts light into electrical energy and amplifies it. Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices.
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Whereas photomultiplier tubes have delicate glass housings, the new detector is made of rugged materials.
Light sensor may improve battlefield tools by Science News
Analysis of each data set is performed by integrating the pulse area of each digitized photomultiplier tube (PMT) signal and applying appropriate lower level threshold cuts on the area of the pulses.
Determination of the neutron lifetime using magnetically trapped ... by Huffman, P.R. / Journal of Research of the National Institute of Standards and Technology
Both models are equipped with three detectors, including a photomultiplier tube for the UV-Vis region, and InGaAs and PbS detectors for the NIR region.
Spectrophotometer by Rubber World
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