- caesium phototube
- n (BrE)ELECTRON, INSTR fototubo de cesio m, tubo fotoeléctrico de cesio m
English-Spanish technical dictionary. - London, © Routledge. 1997.
caesium phototube
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Photocathode — In a photomultiplier or Phototube, a photocathode is a negatively charged electrode coated with a photosensitive compound. When this is struck by light, electrons are emitted due to the photoelectric effect.Although a plain metallic cathode will… … Wikipedia
