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Figure 1: Setup of the experiment for irradiation of TLDs on the phantom surface. (SSD = 100 cm and field = 20 × 20 cm2). (a) Varian linac and (b) Elekta linac. TLD = thermoluminescent dosimeter, SSD = source to surface distance

Figure 1: Setup of the experiment for irradiation of TLDs on the phantom surface. (SSD = 100 cm and field = 20 × 20 cm2). (a) Varian linac and (b) Elekta linac. TLD = thermoluminescent dosimeter, SSD = source to surface distance