Crossword clues for dynode
Wiktionary
n. (context physics English) Any of a series of electrodes within a photomultiplier tube.
Wikipedia
A dynode is an electrode in a vacuum tube that serves as an electron multiplier through secondary emission. The first tube to incorporate a dynode was the dynatron, an ancestor of the magnetron, which used a single dynode. Photomultiplier and video camera tubes generally include a series of dynodes, each at a more positive electrical potential than its predecessor. Secondary emission occurs at the surface of each dynode. Such an arrangement is able to amplify the tiny current emitted by the photocathode, typically by a factor of one million.
Usage examples of "dynode".
The individual neutron light signals reaching the photo-multiplier produce short avalanches of electrons, a signal which is detectable as a negative electrical pulse at the last dynode of the tube.