Imaging theory for X-ray pixel detectors

被引：12

作者：

Anton, G ^{[1
]}

Durst, J ^{[1
]}

Firsching, M ^{[1
]}

Giersch, J ^{[1
]}

Korn, A ^{[1
]}

Mitschke, M ^{[1
]}

Niederlhöner, D ^{[1
]}

Pfeiffer, F ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Phys 4, D-91058 Erlangen, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2006年 / 563卷 / 01期

关键词：

X-ray imaging; material reconstruction; energy weighting; SDNR improvement; image quality; Medipix;

D O I：

10.1016/j.nima.2006.01.133

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper we discuss the physical processes from the first interaction of an X-ray photon to the spatial distribution of charge carriers at the electrodes of a pixel detector. The implications of these processes on the achievable position and energy resolution have been investigated with simulation calculations and with measurements employing the Medipix detectors. As the next generation detectors will be capable of energy resolution we present two methods of energy exploitation in X-ray imaging, i.e. energy weighting and material reconstruction. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：116 / 123

页数：8

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