Study of the dosimetric properties of Al2O3:C,Mg radiophotoluminescent (RPL) detectors: Master thesis report

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Murat, O & Saldarriaga Vargas, C 2015, 'Study of the dosimetric properties of Al2O3:C,Mg radiophotoluminescent (RPL) detectors: Master thesis report', Master of Science, ENSTA - École nationale supérieure de techniques avancées Paris.

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@phdthesis{1a01a3f590764fd1926122a7a1228c63,
title = "Study of the dosimetric properties of Al2O3:C,Mg radiophotoluminescent (RPL) detectors: Master thesis report",
abstract = "Aluminum oxide doped with carbon and magnesium (Al2O3:C,Mg ) was investigated to use together with immobilization masks used in radiotherapy treatments. In this way, thanks to RPL properties of the Al2O3:C,Mg the masks can be used for patient dosimetry after treatment sessions. Linearity, reproducibility, dose range and uniformity of the Al2O3:C,Mg material create challenges to use this powder in vivo dosimetry. The reading system is also studied to obtain higher sensitivity levels. Irradiated samples were read with Red and UV excitations. UV excitation with further optimized filter set up will be promising for future readings. The coating device can provide homogenous coating layer for samples. In 2D reading tests, reading protocol first optimized and height and surrounding effects were studied. In dose maps and spatial resolution tests the maximum resolution with certain aperture was seen. Increasing resolution with smaller aperture can create problems for sensitivity.",
keywords = "radiophotoluminescence, dosimetry, immobilization mask",
author = "Onur Murat and {Saldarriaga Vargas}, Clarita",
note = "Score=10",
year = "2015",
month = "9",
day = "8",
language = "English",
school = "ENSTA - {\'E}cole nationale sup{\'e}rieure de techniques avanc{\'e}es Paris",

}

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TY - THES

T1 - Study of the dosimetric properties of Al2O3:C,Mg radiophotoluminescent (RPL) detectors

T2 - Master thesis report

AU - Murat, Onur

A2 - Saldarriaga Vargas, Clarita

N1 - Score=10

PY - 2015/9/8

Y1 - 2015/9/8

N2 - Aluminum oxide doped with carbon and magnesium (Al2O3:C,Mg ) was investigated to use together with immobilization masks used in radiotherapy treatments. In this way, thanks to RPL properties of the Al2O3:C,Mg the masks can be used for patient dosimetry after treatment sessions. Linearity, reproducibility, dose range and uniformity of the Al2O3:C,Mg material create challenges to use this powder in vivo dosimetry. The reading system is also studied to obtain higher sensitivity levels. Irradiated samples were read with Red and UV excitations. UV excitation with further optimized filter set up will be promising for future readings. The coating device can provide homogenous coating layer for samples. In 2D reading tests, reading protocol first optimized and height and surrounding effects were studied. In dose maps and spatial resolution tests the maximum resolution with certain aperture was seen. Increasing resolution with smaller aperture can create problems for sensitivity.

AB - Aluminum oxide doped with carbon and magnesium (Al2O3:C,Mg ) was investigated to use together with immobilization masks used in radiotherapy treatments. In this way, thanks to RPL properties of the Al2O3:C,Mg the masks can be used for patient dosimetry after treatment sessions. Linearity, reproducibility, dose range and uniformity of the Al2O3:C,Mg material create challenges to use this powder in vivo dosimetry. The reading system is also studied to obtain higher sensitivity levels. Irradiated samples were read with Red and UV excitations. UV excitation with further optimized filter set up will be promising for future readings. The coating device can provide homogenous coating layer for samples. In 2D reading tests, reading protocol first optimized and height and surrounding effects were studied. In dose maps and spatial resolution tests the maximum resolution with certain aperture was seen. Increasing resolution with smaller aperture can create problems for sensitivity.

KW - radiophotoluminescence

KW - dosimetry

KW - immobilization mask

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/21979066

M3 - Master's thesis

ER -

ID: 2152738