Study of the monolithic x-ray focusing lens and its application in microbeam x-ray fluorescence analysis

被引：0
|
作者：
Xie, JD [1 ]
Yan, YM [1 ]
Ding, XL [1 ]
He, YJ [1 ]
Pan, QL [1 ]
机构：
[1] Beijing Normal Univ, Inst Low Energy Nucl Phys, Beijing 100875, Peoples R China
来源：
X-RAY SPECTROMETRY | 2000年 / 29卷 / 04期
关键词：
D O I：
10.1002/1097-4539(200007/08)29:4<305::AID-XRS425>3.0.CO;2-Q
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A model of theoretical simulations of a monolithic x-ray focusing lens is described. These calculations are compared with experimental measurements of the lens. For the Mo K alpha line, a measured focal spot diameter of lens were about 30 mu m. Compared with an aperture of equivalent size located at the output focal distance without the lens, a power density gain of about 1500 was obtained. The application of the lens in microbeam x-ray fluorescence analysis reduced the minimum detection limits for transition elements down to the 10(-13) g level. Copyright (C) 2000 John Wiley & Sons, Ltd.
引用
收藏
页码：305 / 309
页数：5
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