Abstract:Purpose:
As more so‐called micro ion chambers become commercially available, medical physicists may be inclined to use them during the linear accelerator commissioning process, in an attempt to better characterize the beam in steep dose gradient areas. The purpose of this work is to inform the medical physics community of a non‐trivial, anomalous behavior observed when very small chambers are used in certain beam scanning configurations.
Methods:
A total of six ion chambers (0.007cc to 0.6cc) were used to scan… Show more
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