from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An electrode used in certain electron tubes to provide secondary emission.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a series of electrodes within a photomultiplier tube.


Greek dunamis, power; see dynamic + -ode.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • The materials should still be as close as possible, optically speaking, to the original scintillator, to allow for PMT cross-talk effects such as dynode glow, etc.

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  • The output from the metal channel dynode chain is a current proportional to the number of photons striking the photocathode and to the voltage drops along the dynode channel.


  • Initial measurement in the 200-250-nm range revealed a rapid increase of the dynode voltage around 220 nm.

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