A hybrid radiation detector for simultaneous spatial and temporal dosimetry
Poole, Christopher, Trapp, Jamie, Kenny, John, Kairn, Tanya, Williams, Kerry, Taylor, Michael, Franich, Rick, & Langton, Christian M. (2011) A hybrid radiation detector for simultaneous spatial and temporal dosimetry. Australasian Physical and Engineering Sciences in Medicine, 34(3), pp. 327-332.
In this feasibility study an organic plastic scintillator is calibrated against ionisation chamber measurements and then embedded in a polymer gel dosimeter to obtain a quasi-4D experimental measurement of a radiation field. This hybrid dosimeter was irradiated with a linear accelerator, with temporal measurements of the dose rate being acquired by the scintillator and spatial measurements acquired with the gel dosimeter. The detectors employed in this work are radiologically equivalent; and we show that neither detector perturbs the intensity of the radiation field of the other. By employing these detectors in concert, spatial and temporal variations in the radiation intensity can now be detected and gel dosimeters can be calibrated for absolute dose from a single irradiation.
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|Item Type:||Journal Article|
|Keywords:||Radiotherapy, Dosimetry, Gel Dosimetry, Radiation Detector, Detector, 4D Dosimetry, 3D Dosimetry|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OTHER PHYSICAL SCIENCES (029900)|
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OTHER PHYSICAL SCIENCES (029900) > Medical Physics (029903)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > Physics
|Copyright Owner:||Copyright 2011 Australasian College of Physical Scientists and Engineers in Medicine|
|Deposited On:||22 Jun 2011 10:13|
|Last Modified:||10 Oct 2011 11:37|
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