Source: /cirosantilli/photomultiplier-tube
= Photomultiplier tube
{tag=Photonics equipment}
{wiki}
Can be used to <single photon production and detection experiments>[detect single photons].
<Richard Feynman> likes them, he describes the tube at <Richard Feynman Quantum Electrodynamics Lecture at University of Auckland (1979)> at one point.
It uses the <photoelectric effect> multiple times to produce a chain reaction.