Quantification of the sensitivity range in neutron dark-field imaging

被引：21

作者：

Betz, B. ^{[1
]}

Harti, R. P. ^{[1
]}

Strobl, M. ^{[2
,3
]}

Hovind, J. ^{[1
]}

Kaestner, A. ^{[1
]}

Lehmann, E. ^{[1
]}

Van Swygenhoven, H. ^{[4
,5
]}

Gruenzweig, C. ^{[1
]}

机构：

[1] Neutron Imaging & Activat Grp, LNS, Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[2] ESS, S-22100 Lund, Sweden

[3] Univ Copenhagen, DK-2100 Copenhagen, Denmark

[4] Ecole Polytech Fed Lausanne, IMX, NXMM Lab, CH-1015 Lausanne, Switzerland

[5] NXMM, Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2015年 / 86卷 / 12期

关键词：

CONTRAST; INTERFEROMETER; FACILITY;

D O I：

10.1063/1.4937616

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In neutron grating interferometry, the dark-field image visualizes the scattering properties of samples in the small-angle and ultra-small-angle scattering range. These angles correspond to correlation lengths from several hundred nanometers up to several tens of micrometers. In this article, we present an experimental study that demonstrates the potential of quantitative neutron dark-field imaging. The dark-field signal for scattering from different particle sizes and concentrations of mono-dispersive polystyrene particles in aqueous solution is compared to theoretical predictions and the good agreement between measurements and calculations underlines the quantitative nature of the measured values and reliability of the technique with neutrons. (C) 2015 AIP Publishing LLC.

引用

页数：7

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