Dose profile
taken by a radiation detector in order to characterise the radiation beams from medical linear accelerators
In external beam Radiotherapy, transverse and longitudinal dose measurements are taken by a radiation detector in order to characterise the radiation beams from medical linear accelerators. Typically, an ionisation chamber and water phantom are used to create these radiation dose profiles. Water is used due to its tissue equivalence.
Transverse dose measurements are performed in the x (crossplane) or y (inplane) directions perpendicular to the radiation beam, and at a given depth (z) in the phantom. These are known as dose profiles.
Dose measurements taken along the z direction create radiation dose distribution known as a depth-dose curve.
The public source identifies “Dose profile” as taken by a radiation detector in order to characterise the radiation beams from medical linear accelerators. This brief keeps that definition visible, then builds a research path around Dose, profile and taken.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 8, 2025. The linked authority identifier is Q2122891. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Dose profile” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.