Measurement of dose enhancement close to high atomic number media using optical fibre thermoluminescence dosimeters

被引：5

作者：

Alalawi, Amani I. ^{[1
,2
]}

Hugtenburg, R. P. ^{[3
,4
]}

Rahman, A. T. Abdul ^{[5
]}

Barry, M. A. ^{[6
]}

Nisbet, A. ^{[1
,6
]}

Alzimami, Khalid S. ^{[1
,7
]}

Bradley, D. A. ^{[1
,8
]}

机构：

[1] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England

[2] Umm AL Qura Univ, Dept Phys, Mecca, Saudi Arabia

[3] Swansea Univ, Abertawe Bro Morgannwg UHB, Dept Med Phys & Clin Engn, Swansea SA2 8PP, W Glam, Wales

[4] Swansea Univ, Sch Med, Swansea SA2 8PP, W Glam, Wales

[5] Univ Teknol MARA, Sch Phys & Mat Studies, Kuala Pilah 72000, Malaysia

[6] Royal Surrey Cty Hosp NHS Trust, Dept Med Phys, Guildford GU2 7XX, Surrey, England

[7] King Saud Univ, Dept Radiol Sci, Riyadh 11432, Saudi Arabia

[8] Univ Malaya, Dept Phys, Kuala Pilah 72000, Malaysia

来源：

RADIATION PHYSICS AND CHEMISTRY | 2014年 / 95卷

关键词：

Dose enhancement; Thermoluminescence dosimeter; Monte Carlo simulation;

D O I：

10.1016/j.radphyschem.2013.05.017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Present interest concerns development of a system to measure photoelectron-enhanced dose close to a tissue interface using analogue gold-coated doped silica-fibre thermoluminescence detectors and an X-ray set operating at 250 kVp. Study is made of the dose enhancement factor for various thicknesses of gold; measurements at a total gold thickness of 160 nm (accounting for incident and exiting photons) produces a mean measured dose enhancement factor of 1.33 +/- 0.01 To verify results, simulations of the experimental setup have been performed. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：145 / 147

页数：3

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