Physics A-Level
Scintillator
What Scintillator means in Physics A-Level, as defined for AQA, OCR.
Definitions of Scintillator
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Reference: AQA
A layer that absorbs incident X-rays and re-emits visible light photons, acting as a converter between X-ray and optical energy.
A large crystal, commonly sodium iodide doped with thallium, that gamma photons strike to produce many visible-light photons.
Absorbs energy from an incident atomic particle and re-emits visible or near-visible photons.
Topics that use Scintillator
- Image detection and enhancement (A-level only) (AQA A-Level)
- Photodiode (A-level only) (AQA A-Level)
- Diagnostic methods in medicine (OCR A-Level)
Related terms
- Annihilation
- Band gap and photon energy
- Barium meal
- Clinical diagnosis from count maps
- Clinical workflow and data storage
- Coincidence detection
- Collimator
- Computer
Using Scintillator in the exam
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