- caesium phototube
- цезиевый фотоэлемент
Англо-русский технический словарь.
Англо-русский технический словарь.
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