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Type: Conference paper
Title: 3D dose distribution measurement using 2D imaging from NaCl optical crystals
Author: Chapsky, A.
Spooner, N.A.
Santos, A.
Rutten, T.
Citation: Journal of Physics : Conference Series, 2020, vol.1662, iss.1, pp.012009-1-012009-4
Publisher: IOP Publishing
Publisher Place: online
Issue Date: 2020
Series/Report no.: Journal of Physics: Conference Series; 1662
ISSN: 1742-6588
Conference Name: Micro-Mini & Nano Dosimetry and Innovative Technologies in Radiation Oncology (MMND ITRO) (10 Feb 2020 - 16 Feb 2020 : Wollongong, Australia)
Statement of
A Chapsky, N A Spooner, A Santos and T Rutten
Abstract: In radiotherapy practice, 1D and 2D dosimeters are used for dose verification prior to patient treatment. Along with high accuracy and precision of dose measurements that these dosimeters provide, acquisition of dose deposition data in three dimensions requires extrapolation of measured data. Development of a 3D dosimeter would provide continuous information of dose distribution in matter. In this work, NaCl 3D crystal has shown that radiation deposition can be imaged using blue laser stimulation in two dimensions. It was further shown that the intensity of collected signal has near – linear dose dependence, however complete signal readout is required, to compensate for gradual signal collection at different depths along the profile of the stimulating laser beam, due to attenuation of the beam within the crystal. A method to extend dose measurement to three dimensions using imaging is proposed.
Rights: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
DOI: 10.1088/1742-6596/1662/1/012009
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Appears in Collections:IPAS publications

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