5. Scintillating single-crystal fibers

Scintillator materials convert non-visible ionizing radiation into infrared, visible or ultraviolet radiation (easily detected by modern photodetectors such as photomultipliers, photodiodes, etc.), which is transformed into an electrical signal. The intensity of this signal quantifies the incident energy absorbed by the scintillator. Today, scintillator materials are used in a wide range of applications, including medical imaging (positron emission tomography – Positron Emission Tomography (PET), X-ray emission tomography), security (airports and container control), geophysics, space exploration, industrial quality control and, of course, high-energy physics.