photomultiplier
/foh-tuh-muhl-tuh-plahy-er/US // ˌfoʊ təˈmʌl təˌplaɪ ər //UK // (ˌfəʊtəʊˈmʌltɪˌplaɪə) //
光电倍增器,光电倍增管,光电倍增仪,光电管
Definitions
n.名词 noun
- 1
- : an extremely sensitive detector of light and of other radiation, consisting of a tube in which the electrons released by radiation striking a photocathode are accelerated, greatly amplifying the signal obtainable from small quantities of radiation.
Examples
To spot the small amounts of light left behind by individual particles, scientists use photomultiplier tubes, originally invented in the 1930s, which convert light into electrical signals.
The tube is equipped with a mounting bezel to accept a camera or photomultiplier device.
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