Fricke gel dosimeters allow measurements of 3D dose distributions and can be an effective tool for dosimetry verifications in radiotherapy. Various authors have reported drawbacks of the gels affecting the accuracy in case of low dose measurements. Purpose. This study aims at investigating such drawbacks and at establishing the conditions for an optimal use of the gels.
G. Gambarini, I. Veronese, L. Bettinelli, M. Felisi, N. Ludwig, M. Gargano, et al. (2016). LOW DOSE CHARACTERIZATION OF FRICKE GEL DOSIMETERS BY OPTICAL ABSORBANCE AND MR RELAXATION METHODS. PHYSICA MEDICA, 32(Supplement 3 - Abstracts from the 1st European Congress of Medical Physics), 252 [10.1016/j.ejmp.2016.07.537].
LOW DOSE CHARACTERIZATION OF FRICKE GEL DOSIMETERS BY OPTICAL ABSORBANCE AND MR RELAXATION METHODS
COLLURA, Giorgio;GALLO, Salvatore;LONGO, Anna;MARRALE, Maurizio;TRANCHINA, Luigi;
2016-09-01
Abstract
Fricke gel dosimeters allow measurements of 3D dose distributions and can be an effective tool for dosimetry verifications in radiotherapy. Various authors have reported drawbacks of the gels affecting the accuracy in case of low dose measurements. Purpose. This study aims at investigating such drawbacks and at establishing the conditions for an optimal use of the gels.
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Low dose characterization of Fricke gel dosimeters by optical absorbance and MR relaxation methods.pdf
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