Photomultiplier tube

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An X-Ray of a Photomultiplier tube.  A photomultiplier tube is used to detect very small light levels by converting photons into electrons then in turn multipling the number of electrons until the signal can be detected with convential electronics.
An X-Ray of a Photomultiplier tube. A photomultiplier tube is used to detect very small light levels by converting photons into electrons then in turn multipling the number of electrons until the signal can be detected with convential electronics.
Filename: x07-photomultiplier-tubeneg.jpg
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