High-efficiency low-absorption Fresnel compound zone plates for hard x-ray focusing

Armen Kuyumchyan; A. A. Isoyan; E. V. Shulakov; Vitaly V. Aristov; M Kondratenkov; Anatoly A. Snigirev; Irina Snigireva; Alexei Souvorov; Kenji Tamasaku; Makina Yabashi; Tetsuya Ishikawa; K Trouni

doi:10.1117/12.450480

21 November 2002 High-efficiency and low-absorption Fresnel compound zone plates for hard X-ray focusing

Armen Kuyumchyan, A. A. Isoyan, E. V. Shulakov, Vitaly V. Aristov, M Kondratenkov, Anatoly A. Snigirev, Irina Snigireva, Alexei Souvorov, Kenji Tamasaku, Makina Yabashi, Tetsuya Ishikawa, K Trouni

Author Affiliations +

Proceedings Volume 4783, Design and Microfabrication of Novel X-Ray Optics; (2002) https://doi.org/10.1117/12.450480
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Circular and linear zone plates have been fabricated on the surface of silicon crystals for the energy of 8 keV by electron beam lithography and deep ion plasma etching methods. Various variants of compound zone plates with first, second, third diffraction orders have been made. The zone relief height is about 10 mkm, the outermost zone width of the zone plate is 0.4 mkm. The experimental testing of the zone plates has been conducted on SPring-8 and ESRF synchrotron radiation sources. A focused spot size and diffraction efficiency measured by knife-edge scanning are accordingly 0.5 mkm and 39% for the first order circular zone plate.

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Armen Kuyumchyan, A. A. Isoyan, E. V. Shulakov, Vitaly V. Aristov, M Kondratenkov, Anatoly A. Snigirev, Irina Snigireva, Alexei Souvorov, Kenji Tamasaku, Makina Yabashi, Tetsuya Ishikawa, and K Trouni "High-efficiency and low-absorption Fresnel compound zone plates for hard X-ray focusing", Proc. SPIE 4783, Design and Microfabrication of Novel X-Ray Optics, (21 November 2002); https://doi.org/10.1117/12.450480

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