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Proceedings Paper

A novel monochromator for ultrashort soft x-ray pulses
Author(s): Maria Brzhezinskaya; Alexander Firsov; Karsten Holldack; Torsten Kachel; Rolf Mitzner; Niko Pontius; Christian Stamm; Jan-Simon Schmidt; Alexander Föhlisch; Alexei Erko
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Paper Abstract

Reflection zone plates (RZP), which consist of elliptical zone plates fabricated on a total external reflection mirror surface, can be effectively used to produce a monochromatic x-ray beam and to focus it at photon energies below 1400 eV. However, as RZPs are highly chromatic, they can be designed only for one specific photon energy. We alleviate this problem by using a novel approach: a Reflection Zone Plate Array (RZPA). Here, we report about successful implementation of novel monochromator based on RZPAs for experiments with 100 fs time resolution at the upgraded Femtoslicing facility at BESSY-II. Aiming at minimum losses in x-ray flux up to 2000 resolution, we fabricated and used an RZPA as a single optical element for diffraction and focusing. Nine Fresnel lenses, designed for the energies of 410 eV, 543 eV, 644 eV, 715 eV, 786 eV, 861 eV, 1221 eV and 1333 eV which correspond to the absorption edges of NK, O-K, Mn-L, Fe-L, Co-L, Ni-L, Gd-M and Dy-M, were fabricated on the same substrate with a diameter of 100 mm. At resolution E/ΔE up to 2000 all edges of other elements in that range (400-1400 eV) are covered, too.

Paper Details

Date Published: 3 May 2013
PDF: 8 pages
Proc. SPIE 8777, Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III, 87771J (3 May 2013); doi: 10.1117/12.2021599
Show Author Affiliations
Maria Brzhezinskaya, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Alexander Firsov, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Karsten Holldack, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Torsten Kachel, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Rolf Mitzner, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Niko Pontius, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Christian Stamm, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Jan-Simon Schmidt, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Alexander Föhlisch, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Alexei Erko, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)


Published in SPIE Proceedings Vol. 8777:
Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III
Libor Juha; Saša Bajt; Richard London; René Hudec; Ladislav Pina, Editor(s)

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