Refractive lenses for high energy X-ray focusing

被引：28

作者：

Snigirev, A ^{[1
]}

Filseth, B ^{[1
]}

Elleaume, P ^{[1
]}

Klocke, T ^{[1
]}

Kohn, V ^{[1
]}

Lengeler, B ^{[1
]}

Snigireva, I ^{[1
]}

Souvorov, A ^{[1
]}

Tummler, J ^{[1
]}

机构：

[1] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

HIGH HEAT FLUX AND SYNCHROTRON RADIATION BEAMLINES | 1997年 / 3151卷

关键词：

compound refractive lenses; heatload; gain;

D O I：

10.1117/12.294496

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Focusing of hard X-rays by refraction has for a long time been considered as unfeasible due to strong absorption and weak refraction of X-rays in matter. Recently it has been shown that compound refractive lenses can overcome the problem. It was demonstrated that the best candidates for lenses are low Z, high density materials. Linear and two-dimensional lenses from aluminium, boron carbide, beryllium, pyrographite and Teflon were produced and tested. Focusing of 2-3 microns was achieved at an energy range from 9 to 30 keV. Compound refractive lenses have low sensitivity to heatload and are extremely well suited for focusing of undulator radiation. Two-plane focusing lenses have been optimised, built and installed in the white beam of the undulator on the machine diagnostic beamline of the ESRF to be used as an X-ray emittance diagnostic. The future potentials of the refractive lenses will be discussed as well.

引用

页码：164 / 170

页数：7

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