Measurement of Dose outside a 6 MV Field Edge Using Optically Stimulated Luminescent Nano Dot Dosimeters
نویسندگان
چکیده
منابع مشابه
Dose measurement outside of radiotherapy treatment field (Peripheral dose) using thermoluminesent dosimeters
Background: In radiation therapy, peripheral dose or the dose outside the radiotherapy field, is important when anatomical structures with very low dose tolerances are involved. One of these critical organs in pelvic irradiation is testis. The amount of radiation delivered to the testes in radiotherapy must be kept as small as possible, consistent with the limit dose of this organ. The threshol...
متن کاملdose measurement outside of radiotherapy treatment field (peripheral dose) using thermoluminesent dosimeters
background: in radiation therapy, peripheral dose or the dose outside the radiotherapy field, is important when anatomical structures with very low dose tolerances are involved. one of these critical organs in pelvic irradiation is testis. the amount of radiation delivered to the testes in radiotherapy must be kept as small as possible, consistent with the limit dose of this organ. the threshol...
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PURPOSE The objective was to determine whether optically stimulated luminescent dosimeters (OSLDs) were appropriate for in vivo measurements in high dose rate brachytherapy. In order to make this distinction, three dosimetric characteristics were tested: dose linearity, dose rate dependence, and angular dependence. The Landauer nanoDot™ OSLDs were chosen due to their popularity and their availa...
متن کاملOn the Use of Optically Stimulated Luminescent Dosimeter for Surface Dose Measurement during Radiotherapy
This study was carried out to investigate the suitability of using the optically stimulated luminescence dosimeter (OSLD) in measuring surface dose during radiotherapy. The water equivalent depth (WED) of the OSLD was first determined by comparing the surface dose measured using the OSLD with the percentage depth dose at the buildup region measured using a Markus ionization chamber. Surface dos...
متن کاملCharacterization of optically stimulated luminescent dosimeters, OSLDs, for clinical dosimetric measurements.
Optically stimulated luminescent dosimeters, OSLDs, are plastic disks infused with aluminum oxide doped with carbon (Al2O3 : C). These disks are encased in a light-tight plastic holder. Crystals of Al2O3 : C when exposed to ionizing radiation store energy that is released as luminescence (420 nm) when the OSLD is illuminated with stimulation light (540 nm). The intensity of the luminescence dep...
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ژورنال
عنوان ژورنال: Journal of the Korean Society of Radiology
سال: 2014
ISSN: 1976-0620
DOI: 10.7742/jksr.2014.8.7.449