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Comparison between the 2D profiles of light field, Cherenkov, and dose of 10 × 10 cm2, 6 MV, photon beam. (a): 2D profile of light field, (b): 2D profile of Cherenkov emission in an ABS board, (c): 2D profile of Cherenkov emission on a solid water phantom, (d): 2D profile of dose from GaF film measurement [Color figure can be viewed at wileyonlinelibrary.com]
