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. Author manuscript; available in PMC: 2010 Sep 21.
Published in final edited form as: Phys Med Biol. 2010 Feb 17;55(6):1607–1618. doi: 10.1088/0031-9155/55/6/005

Figure 2.

Figure 2

Measured profiles in the direction of MLC’s (GT). Figure 2a shows a schematic representation of dose profile for each of the different field configurations. Figure 2 b shows actual profile using Gafchromic film delivering 2 Gy to the centre of the culture flask. Three different field configurations were delivered; uniform non-modulated (solid line), uniform modulated (dotted line) and non-uniform modulated (dashed line). The non-uniform modulated configuration was separated into four dose regions by excluding the penumbra and defined as regions A – D.