J Med Phys Close
 

Figure 2: Depth-ionization curves measured in the ionization chamber and depth dose curves calculated using a Monte Carlo simulation of the flattening filter free linac. The depth curves are for the 5 cm×5 cm, 10 cm×10 cm, 20 cm×20 cm, and 30 cm×30 cm fields.

Figure 2: Depth-ionization curves measured in the ionization chamber and depth dose curves calculated using a Monte Carlo simulation of the flattening filter free linac. The depth curves are for the 5 cm×5 cm, 10 cm×10 cm, 20 cm×20 cm, and 30 cm×30 cm fields.