A photostimulable plate reading device, comprising: at least one photostimulable plate (12; 62) carrying image data and having two opposite surfaces; illuminating means for homogeneously illuminating a first one of the two opposite surfaces of the at least one photostimulable plate (12; 62) with light emitted by one or more electroluminescent diodes in a first wavelength range, the illumination causing the at least one photostimulable plate (12; 62) both to emit light in a second wavelength range by photostimulated luminescence and to scatter light in the first wavelength range; filtering means (22; 40; 41; 64) adapted to allow substantially 1000000 times more light emitted in the second wavelength range to pass than light emitted in the first wavelength range, the filtering means being formed by a block of optical fibers (30; 42; 43; 49; 66) and a thin multilayered filter comprising a plurality of superimposed layers with different refractive indices, wherein the filtering means faces a second one of the two opposite surfaces of the at least one photostimulable plate (12; 62), wherein the optical fibers are arranged within the block of optical fibers (30; 42; 43; 49; 66) in such a manner that opposite ends of the optical fibers form two fiber arrays at opposite ends of the block of optical fibers, wherein each optical fiber in the block of optical fibers (30; 42; 43; 49; 66) is made of glass and has a core with a refractive index around 1.8 and a clad surrounded by the core, the clad having a refractive index around 1.5, and wherein the block of optical fibers at its ends has two opposite surfaces and the thin multilayered filter is disposed on one of the two opposite surfaces of the block of optical fibers facing the second one of the two opposite surfaces of the at least one photostimulable plate, the thin multilayered filter preventing light scattered in the first wavelength range from passing and allowing light emitted in the second wavelength range to pass, the block of optical fibers guiding light emitted in the second wavelength range and allowed to pass; and detecting means (24; 68) composed of a two dimensional array of pixels for detecting the light allowed to pass by the filtering means (22; 40; 41; 64) and for obtaining image data therefrom. at least one photostimulable plate (12; 62) carrying image data and having two opposite surfaces; illuminating means for homogeneously illuminating a first one of the two opposite surfaces of the at least one photostimulable plate (12; 62) with light emitted by one or more electroluminescent diodes in a first wavelength range, the illumination causing the at least one photostimulable plate (12; 62) both to emit light in a second wavelength range by photostimulated luminescence and to scatter light in the first wavelength range; filtering means (22; 40; 41; 64) adapted to allow substantially 1000000 times more light emitted in the second wavelength range to pass than light emitted in the first wavelength range, the filtering means being formed by a block of optical fibers (30; 42; 43; 49; 66) and a thin multilayered filter comprising a plurality of superimposed layers with different refractive indices, wherein the filtering means faces a second one of the two opposite surfaces of the at least one photostimulable plate (12; 62), wherein the optical fibers are arranged within the block of optical fibers (30; 42; 43; 49; 66) in such a manner that opposite ends of the optical fibers form two fiber arrays at opposite ends of the block of optical fibers, wherein each optical fiber in the block of optical fibers (30; 42; 43; 49; 66) is made of glass and has a core with a refractive index around 1.8 and a clad surrounded by the core, the clad having a refractive index around 1.5, and wherein the block of optical fibers at its ends has two opposite surfaces and the thin multilayered filter is disposed on one of the two opposite surfaces of the block of optical fibers facing the second one of the two opposite surfaces of the at least one photostimulable plate, the thin multilayered filter preventing light scattered in the first wavelength range from passing and allowing light emitted in the second wavelength range to pass, the block of optical fibers guiding light emitted in the second wavelength range and allowed to pass; and detecting means (24; 68) composed of a two dimensional array of pixels for detecting the light allowed to pass by the filtering means (22; 40; 41; 64) and for obtaining image data therefrom.