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Photomultiplier Tubes

A photomultiplier tube is a tube consisting of an evacuated envelope with a photocathode that emits electrons when exposed to light. These electrons are accelerated by a positive electrostatic field and fall upon a metal surface where they emit secondary electrons that are again accelerated to generate more electrons at the next metal surface.

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Hamamatsu Corporation, Sub. of Hamamatsu Photonics K.K.

Bridgewater, NJ (250 employees)
Stock Manufacturer
Importer and distributor of photonics components and subsystems for use in instrumentation. Products include photomultiplier tubes, solid-state photodetectors, IR detectors, image sensors, scientific cameras, light sources, and x-ray solutions.

Additional Companies

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Glossary

photomultiplier tube (PMT) A tube consisting of an evacuated envelope with a photocathode that emits electrons when exposed to light. These electrons are accelerated by a positive electrostatic field and fall upon a metal surface where they emit secondary electrons that are...
photocathode An electrode used to release photoelectric emission when irradiated, making it then the irradiated negative electrode of a phototube.
phototube An electron tube having a photocathode for the emission of a photoelectric current.
photocell

photomultiplier tubesphoto-multiplier tubePMTPMTsphotocathodeelectronsphotocellvacuum tubesphototubedetectors of lighttest & measurement