Analysis of the calibration conditions of delayed reading dosimeters in radiation protection (“global” method versus spectrometry), Analysis of the calibration conditions of operational radiation protection dosimeters, Analysis of the contribution of spectrometry to the results of operational dosimetry in terms of response depending on energy, Comparison of the implementation of the spectrometric method between passive and operational dosimetry, Influence of the discretization of the measured spectra on the measurement result in terms of dose equivalent, Influence of the mode of taking into account the efficiency curve of the sensors, Influence of areas of the spectrum with low sensitivity on the uncertainty balance, Possible proposal to modify the calibration procedures based on the expected results (multi-quality radiation calibration). An internship report will be written by the intern at the end of their internship.