Point dose profile measurements using solid-state detectors in characterization of Computed Tomography systems

被引：15

作者：

Herrnsdorf, L. ^{[1
]}

Bjork, M. ^{[1
]}

Cederquist, B. ^{[1
]}

Mattsson, C. G. ^{[2
]}

Thungstrom, G. ^{[2
]}

Frojdh, C. ^{[2
]}

机构：

[1] RTI Elect AB, SE-43137 Molndal, Sweden

[2] Mid Sweden Univ, SE-85170 Sundsvall, Sweden

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 607卷 / 01期

关键词：

Point dose profile measurement; CT dose; CT QA; Solid dose detector;

D O I：

10.1016/j.nima.2009.03.159

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Existing solid-state detectors for point dose measurements are typically mounted in a package with a high Z material acting as the back contact causing unsymmetrical response. In the Computed Tomography (CT) dose profile application this is a major drawback. A new silicon detector has been constructed without this disturbing element. The new detector has been mounted in a cylindrical tube and its characteristics are presented in this paper. The conclusion is that this new detector design is a major improvement for correct dose and dose profile measurements in CT systems. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：223 / 225

页数：3