sourced from the [[NERS-BOIE 481 Lecture 10]] slides # Photostimulated Luminescence Photostimulated Luminescence (PSL) is the release of stored energy within a phosphor by stimulation with visible light to produce a luminescent signal, which is potentially induced by X-Rays. This light also usually has a characteristic wavelength based on the energy on the x-rays. This often occurs on a [[photostimulable phosphor]] (PSP) plate, which therefore makes it a suitable way to detect X-rays in projectional [[Radiography]]. The value for these in medical applications is their easily-replaceable nature. It's easy to replace the film cassettes and processors built into the [[Thin-Film Transistor Arrays]]. The image generated can also be erased by a room-level type of fluorescent light. In that sense too the film might need some attention and maintenance for example, whether there's dust on it or something like that.