photomultiplier
/ˌfoʊtoʊˈmʌltɪplaɪər/
noun
- A device that detects very weak light and makes it stronger, often used in scientific instruments.
- The scientist used a photomultiplier to measure the faint light from distant stars.
- The medical scanner relies on a photomultiplier to create clear images from low light signals.
- In the lab, the photomultiplier helped detect tiny particles in the dark chamber.