Scintillator
A scintillator is a material that emits light when it absorbs ionizing radiation. In space and astronautical engineering, scintillators are used in radiation detectors to measure the energy and intensity of charged particles and gamma rays. Scintillators are often made of inorganic crystals or organic plastics, and they can be used in a variety of instruments, including spectrometers, dosimeters, and particle detectors. When a charged particle or gamma ray enters the scintillator, it interacts with the atoms in the material and produces a burst of light. This light is then detected by a photomultiplier tube or other light-sensitive device, which converts it into an electrical signal that can be analyzed and recorded.
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