Dose 2016

Pencil kernel characterization

II. Optimisation of kernel shape

Calculated dose profile using PBK reconstructed from experimental data measured with an ionisation chamber (IC-10)

Calculated dose profile using PBK reconstructed from experimental data measured with film

Calculated dose profile using iteratively optimised PBK s

Inaccurate modelling of extra-focal scatter

Bergman et al (2004) Med Phys 31 , 3279-87