Intensity modulated radiation therapy (IMRT) poses a number of challenges for properly
measuring commissioning data and quality assurance (QA) radiation dose distributions. This …

From background physics and biological models to the latest imaging and treatment
modalities, the Handbook of Radiotherapy Physics: Theory and Practice covers all …

Volume averaging and lack of electronic equilibrium complicate accurate dosimetry of small
photon fields. In this paper the performance of the PinPoint ion chamber for characterizing …

TG‐69 is a task group report of the AAPM on the use of radiographic film for dosimetry.
Radiographic films have been used for radiation dosimetry since the discovery of x‐rays and …

Radiation dosimetry has made great progress in the last decade, mainly because radiation
therapy is much more widely used. Since the first edition, many new developments have …

Purpose: Purpose of this work is to investigate the effects of varying the active layer
composition of external beam therapy (EBT) GafChromicTM films on the energy …

The creation of intricate dose distributions produced by intensity-modulated radiotherapy
(IMRT) depends on complex planning systems and specialized mechanical devices. The …

In intensity modulated radiation therapy (IMRT) the aim of an accurate conformal dose
distribution is obtained through a complex process. This ranges from the calculation of the …

The commercial cylindrical ionization chamber ionization integration accuracy of
dynamically moving fields was evaluated. The ionization chambers were exposed to long …

X‐ray film has been used for the dosimetry of intensity modulated radiation therapy (IMRT).
However, the over‐response of the film to low‐energy photons is a significant problem in …