Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry

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Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry. / Honorio da Silva, Edilaine; Knezevic, Zeljka; Struelens, Lara; Covens, Peter; Vanhavere, Filip; Ueno, Satoshi; Buls, Nico.

In: Radiation protection dosimetry, Vol. 170, No. 1-4, 03.05.2016, p. 208-212.

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Honorio da Silva, E, Knezevic, Z, Struelens, L, Covens, P, Vanhavere, F, Ueno, S & Buls, N 2016, 'Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry', Radiation protection dosimetry, vol. 170, no. 1-4, pp. 208-212. https://doi.org/10.1093/rpd/ncw104

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Honorio da Silva, Edilaine ; Knezevic, Zeljka ; Struelens, Lara ; Covens, Peter ; Vanhavere, Filip ; Ueno, Satoshi ; Buls, Nico. / Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry. In: Radiation protection dosimetry. 2016 ; Vol. 170, No. 1-4. pp. 208-212.

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@article{6d9515c6fd594eb1925f3a0d5728befd,
title = "Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry",
abstract = "Recent studies demonstrated that lens opacities can occur at lower radiation doses than previously accepted. In view of these studies, the International Commission of Radiological Protection recommended in 2011 to reduce the eye lens dose limit from 150 mSv/y to 20 mSv/y. This implies in the need of monitoring doses received by the eye lenses. In this study, small rod radiophotoluminescent glass dosemeters (GD-300 series; AGC, Japan) were characterized in terms of their energy (ISO 4037 X-rays narrow spectrum series, S-Cs and S-Co) and angular dependence (0 up to 90 degrees, with 2 ISO energies: N-60 and S-Cs). All acquisitions were performed at SCK•CEN—Belgium, using the ORAMED proposed cylindrical phantom. For selected energies (N-60, N-80, N-100, N-120 and N-250), the response of dosemeters irradiated on the ISO water slab phantom, at the Ruđer Bošković Institute—Croatia, was compared to those irradiated on the cylindrical phantom. GD-300 series showed good energy dependence, relative to S-Cs, on the cylindrical phantom. From 0 up to 45 degrees, the dosemeters showed no significant angular dependence, regardless whether they were tested when placed vertically or horizontally on the cylindrical phantom. However, at higher angles, some angular dependence was observed, mainly when the dosemeters were irradiated with low-energy photons (N-60). Results showed that GD-300 series have good properties related to Hp(3), although some improvements may be necessary.",
keywords = "energy dependence, radiophotoluminescence, glass dosemeters, eye lens dosimetry, angular dependence",
author = "{Honorio da Silva}, Edilaine and Zeljka Knezevic and Lara Struelens and Peter Covens and Filip Vanhavere and Satoshi Ueno and Nico Buls",
note = "Score=10",
year = "2016",
month = "5",
day = "3",
doi = "10.1093/rpd/ncw104",
language = "English",
volume = "170",
pages = "208--212",
journal = "Radioation Protection Dosimitry",
issn = "0144-8420",
publisher = "Oxford University Press",
number = "1-4",

}

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TY - JOUR

T1 - Energy and angular dependence of radiophotoluminescent glass dosemeters for eye lens dosimetry

AU - Honorio da Silva, Edilaine

AU - Knezevic, Zeljka

AU - Struelens, Lara

AU - Covens, Peter

AU - Vanhavere, Filip

AU - Ueno, Satoshi

AU - Buls, Nico

N1 - Score=10

PY - 2016/5/3

Y1 - 2016/5/3

N2 - Recent studies demonstrated that lens opacities can occur at lower radiation doses than previously accepted. In view of these studies, the International Commission of Radiological Protection recommended in 2011 to reduce the eye lens dose limit from 150 mSv/y to 20 mSv/y. This implies in the need of monitoring doses received by the eye lenses. In this study, small rod radiophotoluminescent glass dosemeters (GD-300 series; AGC, Japan) were characterized in terms of their energy (ISO 4037 X-rays narrow spectrum series, S-Cs and S-Co) and angular dependence (0 up to 90 degrees, with 2 ISO energies: N-60 and S-Cs). All acquisitions were performed at SCK•CEN—Belgium, using the ORAMED proposed cylindrical phantom. For selected energies (N-60, N-80, N-100, N-120 and N-250), the response of dosemeters irradiated on the ISO water slab phantom, at the Ruđer Bošković Institute—Croatia, was compared to those irradiated on the cylindrical phantom. GD-300 series showed good energy dependence, relative to S-Cs, on the cylindrical phantom. From 0 up to 45 degrees, the dosemeters showed no significant angular dependence, regardless whether they were tested when placed vertically or horizontally on the cylindrical phantom. However, at higher angles, some angular dependence was observed, mainly when the dosemeters were irradiated with low-energy photons (N-60). Results showed that GD-300 series have good properties related to Hp(3), although some improvements may be necessary.

AB - Recent studies demonstrated that lens opacities can occur at lower radiation doses than previously accepted. In view of these studies, the International Commission of Radiological Protection recommended in 2011 to reduce the eye lens dose limit from 150 mSv/y to 20 mSv/y. This implies in the need of monitoring doses received by the eye lenses. In this study, small rod radiophotoluminescent glass dosemeters (GD-300 series; AGC, Japan) were characterized in terms of their energy (ISO 4037 X-rays narrow spectrum series, S-Cs and S-Co) and angular dependence (0 up to 90 degrees, with 2 ISO energies: N-60 and S-Cs). All acquisitions were performed at SCK•CEN—Belgium, using the ORAMED proposed cylindrical phantom. For selected energies (N-60, N-80, N-100, N-120 and N-250), the response of dosemeters irradiated on the ISO water slab phantom, at the Ruđer Bošković Institute—Croatia, was compared to those irradiated on the cylindrical phantom. GD-300 series showed good energy dependence, relative to S-Cs, on the cylindrical phantom. From 0 up to 45 degrees, the dosemeters showed no significant angular dependence, regardless whether they were tested when placed vertically or horizontally on the cylindrical phantom. However, at higher angles, some angular dependence was observed, mainly when the dosemeters were irradiated with low-energy photons (N-60). Results showed that GD-300 series have good properties related to Hp(3), although some improvements may be necessary.

KW - energy dependence

KW - radiophotoluminescence

KW - glass dosemeters

KW - eye lens dosimetry

KW - angular dependence

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/20087064

U2 - 10.1093/rpd/ncw104

DO - 10.1093/rpd/ncw104

M3 - Article

VL - 170

SP - 208

EP - 212

JO - Radioation Protection Dosimitry

JF - Radioation Protection Dosimitry

SN - 0144-8420

IS - 1-4

ER -

ID: 1565464