title: Compound focusing mirror and X-ray waveguide optics for coherent imaging and nano-diffraction.
abstract: A compound optical system for coherent focusing and imaging at the nanoscale is reported, realised by high-gain fixed-curvature elliptical mirrors in combination with X-ray waveguide optics or different cleaning apertures. The key optical concepts are illustrated, as implemented at the Göttingen Instrument for Nano-Imaging with X-rays (GINIX), installed at the P10 coherence beamline of the PETRA III storage ring at DESY, Hamburg, and examples for typical applications in biological imaging are given. Characteristic beam configurations with the recently achieved values are also described, meeting the different requirements of the applications, such as spot size, coherence or bandwidth. The emphasis of this work is on the different beam shaping, filtering and characterization methods.
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Tim
authors.initials: T
authors.lastname: Salditt
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Markus
authors.initials: M
authors.lastname: Osterhoff
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Martin
authors.initials: M
authors.lastname: Krenkel
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Robin N
authors.initials: RN
authors.lastname: Wilke
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Marius
authors.initials: M
authors.lastname: Priebe
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Matthias
authors.initials: M
authors.lastname: Bartels
authors.affiliation: Institut für Röntgenphysik, Universität Göttingen, 37077 Göttingen, Germany.
authors.forename: Sebastian
authors.initials: S
authors.lastname: Kalbfleisch
authors.affiliation: DESY, Notkestrasse 85, 22607 Hamburg, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Sprung
keywords: coherent imaging; holography; nano-diffraction; waveguides