7 September 2017 Simulations and experiments on vibration damping for zoom-holography and nano-scanning at the GINIX
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Abstract
The Göttingen Instrument for Nano-Imaging with X-ray (GINIX) is a holography endstation located at the P10 coherence beamline at PETRA III, designed and operated by the University of Göttingen in close collaboration with DESY Photon science Hamburg [1-2]. GINIX is designed as a waveguide based holography experiment with a Kirkpatrick-Baez nanofocus. Its versatility has stimulated a great manifold of imaging modalities. Today, users choose the GINIX setup not only for its few nm coherent waveguide beams (e.g. for ptychography or holography), but also to carry out scanning SAXS measurements to probe local anisotropies with sub-micron real-space and even higher reciprocal space resolution. In addition, it is possible to combine different detectors for e.g. simultaneous SAXS/WAXS and fluorescence measurements [3]. We summarise our ongoing efforts to reduce vibrations in the setup, and present latest experimental results obtained with GINIX, focusing on the unique capabilities offered by its versatile and flexible design. The overview includes results from different imaging schemes such as waveguide based zoom-tomography and user examples in WAXS geometry. We show how to correlate complementary techniques like holography and scanning SAXS and present first results obtained using a new fast sample scanner for Multilayer Zone Plate imaging..
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Markus Osterhoff, Peter Luley, Michael Sprung, Tim Salditt, "Simulations and experiments on vibration damping for zoom-holography and nano-scanning at the GINIX ", Proc. SPIE 10389, X-Ray Nanoimaging: Instruments and Methods III, 103890D (7 September 2017); doi: 10.1117/12.2271140; https://doi.org/10.1117/12.2271140
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