Schönecker, A.A.SchöneckerBeier, J.J.BeierZastrow, ArminArminZastrow2022-03-082022-03-081989https://publica.fraunhofer.de/handle/publica/316857A computer controlled filter monochromator system (FMS) with 18 interference filters covering the spectral range from 350 nm to 1150 nm will be presented. The emphasis of the paper will be to dicuss the accuracy of absolute spectral response measurements of large area solar cells done with the FMS in comparison with two other methods.en621697conference paper