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Photonics Buyers' Guide / Photomultiplier Tubes
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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.


Additional Companies

The Photonics Buyers' Guide is a comprehensive resource for verified providers of Photomultiplier Tubes. Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. If you have updated information about any of the organizations listed, please contact us.
Glossary
  • photomultiplier tube A photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely used in various applications where high sensitivity, fast response times, and low-light detection capabilities are crucial....
  • 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.
photomultiplier tubesphoto-multiplier tubePMTPMTsphotocathodeelectronsphotocellvacuum tubesphototubedetectors of lighttest & measurement
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