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Cross Calibration of Field Ionization Chambers in High Energy Photon Beams

To support the work of clinical medical physicists, the IAEA is committed to developing and disseminating best practices to ensure that procedures under the responsibility of medical physicists, such as quality control and calibration, are performed with the utmost safety and quality, for the ultimate benefit of patients.

For this reason, the IAEA developed a video tutorial demonstrating and explaining the procedure of cross calibrating a field ionization chamber according to IAEA TRS 398 guidelines.

The video-tutorial is intended to be used by clinically qualified medical physicists (CQMP) and presupposes underlying knowledge in the field of radiotherapy. IAEA publications and content relevant to radiotherapy calibrations can be found on a dedicated webpage.

The production of this video tutorial was supported by Belgium, through the Peaceful Uses Initiative (PUI) project: Enhancing education and training programmes in human health through quality assurance in higher education.

The appearance of names of specific companies or products does not imply any intention to infringe proprietary rights, nor should it be construed as an endorsement or recommendation on the part of the IAEA.

This video tutorial was developed by Anna Ralston (St George Hospital, Sydney, Australia). The IAEA Section responsible for this activity is the Section of Dosimetry and Medical Radiation Physics (DMRP) of the Division of Human Health at the IAEA.