Dose Course 2018_Flipping book

Performance testing – ex. Feed back configuration parameters

Vendor: Beam modeling- dose calculation algorithms

User: Configuration data (measurements); tunning of conf. parameters User: Configuration data (measurements); tunning of conf. Parameters

TPS

High resolution 2D array measurements MapCheck (Sun Nuclear) sampling 0.2 mm

Planar fluence prediction

IMRT plan

Configuration parameters

Jaw and MLC transmission Radiation source size

Cost function= 1-Gamma evaluation pass rate

Extrafocal radiation contribution MLC rounded lef-end transmission

2%-1mm Th 10% Tolerance 85% points