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Calibration function of time‐resolved diode dosimetry system to WEPL as determined by fourth‐order polynomial fitted to measurements and TOPAS simulation of dose rate profile per range modulation wheel cycle for the SOBP of 15 cm range, 14 cm modulation width. Shown are the measured data, a polynomial fitted to measured data, and polynomials fitted to the simulated dose rate profiles in simulated water‐equivalent plastic, a water‐equivalent plastic CT, and a patient CT.
