SOLEX:: a tunable monochromatic X-ray source in the 1-20 keV energy range for metrology

被引:22
|
作者
Bonnelle, C
Jonnard, P
André, JM
Avila, A
Laporte, D
Ringuenet, H
Lépy, MC [1 ]
Plagnard, J
Ferreux, L
Protas, JC
机构
[1] Bur Natl Metrol, Lab Natl Henri Becquerel, CEA Saclay, F-91191 Gif Sur Yvette, France
[2] Univ Paris 06, Lab Chim Phys Mat & Rayonnement, CNRS, UMR 7416, F-75231 Paris 05, France
关键词
X-ray source; monochromator; calibration; curved-crystal spectrometer; X-ray detector;
D O I
10.1016/j.nima.2003.09.031
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A tunable monochromatic X-ray source covering the 1-20 keV energy range is described. The initial X-ray beam is obtained. from a dedicated windowless X-ray tube. The energy selection is performed through a cylindrically bent crystal, used either in the reflection (Johann geometry) or in the transmission (Cauchois geometry) mode, by rotating the crystal holder by a 90degrees angle. Contrary to conventional geometries where the X-ray tube is fixed, here the direction of the exit beam impinging the X-ray detector is fixed. This setup is shown to be useful for various studies: high-resolution spectrometry, characterization of the response function and the efficiency of detectors and optical components, determination of transmission characteristics of different materials. Observations of the Lalpha line and Kalpha. doublet from a copper anode are presented, that demonstrate the performance of this new setup. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:594 / 601
页数:8
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