Device for reading image information from a phosphor layer

摘要

A filter (8) is arranged between the phosphor layer (1) and a detector (6), and a light source (2) illuminates the phosphor layer to excite emission light. The filter is transmissive in a first wavelength range (W1) of the emission light, non-transmissive in a second wavelength range (W2) of the emission light, and non-transmissive in a third wavelength range which covers higher wavelengths than the second wavelength range.