Fabrication and characterization of high-efficiency double-sided blazed x-ray optics

Optics Letters
Istvan MohacsiC David

Abstract

The focusing efficiency of conventional diffractive x-ray lenses is fundamentally limited due to their symmetric binary structures and the corresponding symmetry of their focusing and defocusing diffraction orders. Fresnel zone plates with asymmetric structure profiles can break this limitation; yet existing implementations compromise either on resolution, ease of use, or stability. We present a new way for the fabrication of such blazed lenses by patterning two complementary binary Fresnel zone plates on the front and back sides of the same membrane chip to provide a compact, inherently stable, single-chip device. The presented blazed double-sided zone plates with 200 nm smallest half-pitch provide up to 54.7% focusing efficiency at 6.2 keV, which is clearly beyond the value obtainable by their binary counterparts.

References

Mar 16, 2007·Physical Review Letters·J M RodenburgI Johnson
Jul 19, 2008·Science·Pierre ThibaultFranz Pfeiffer
Apr 18, 2013·Journal of Synchrotron Radiation·Joan Vila-ComamalaChristian David
Apr 26, 2014·Journal of Synchrotron Radiation·Istvan MohacsiChristian David
Jul 1, 2014·Optics Express·Manuel Guizar-SicairosAndreas Menzel
Apr 4, 2015·Optics Express·Istvan MohacsiChristian David

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Citations

Aug 14, 2020·Journal of Applied Crystallography·Andreas SchroppChristian G Schroer
Dec 26, 2018·Nanotechnology·S GorelickA de Marco
Nov 1, 2017·Optics Letters·M LebugleC David
Sep 27, 2018·Advanced Science·Umut Tunca SanliKahraman Keskinbora

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