Refractive lenses for high-energy x-ray focusing

Anatoly A. Snigirev; B. Filseth; Pascal Elleaume; Th. Klocke; Victor Kohn; Bruno Lengeler; Irina Snigireva; Alexei Souvorov; Johannes Tuemmler

doi:10.1117/12.294496

11 December 1997 Refractive lenses for high-energy x-ray focusing

Anatoly A. Snigirev, B. Filseth, Pascal Elleaume, Th. Klocke, Victor Kohn, Bruno Lengeler, Irina Snigireva, Alexei Souvorov, Johannes Tuemmler

Author Affiliations +

Proceedings Volume 3151, High Heat Flux and Synchrotron Radiation Beamlines; (1997) https://doi.org/10.1117/12.294496
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Focusing of hard X-rays by refraction has been 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 2D lenses from aluminum, 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 optimized, 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.

Citation Download Citation

Anatoly A. Snigirev, B. Filseth, Pascal Elleaume, Th. Klocke, Victor Kohn, Bruno Lengeler, Irina Snigireva, Alexei Souvorov, and Johannes Tuemmler "Refractive lenses for high-energy x-ray focusing", Proc. SPIE 3151, High Heat Flux and Synchrotron Radiation Beamlines, (11 December 1997); https://doi.org/10.1117/12.294496

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