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X-ray spectroscopy with variable line spacing based on reflection zone plate optics

MPG-Autoren
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Trinter,  Florian
Photon Science, Deutsches Elektronen-Synchrotron (DESY);
Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt;
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Zitation

Yin, Z., Löchel, H., Rehanek, J., Goy, C., Kalinin, A., Schottelius, A., et al. (2018). X-ray spectroscopy with variable line spacing based on reflection zone plate optics. Optics Letters, 43(18), 4390-4393. doi:10.1364/OL.43.004390.


Zitierlink: https://hdl.handle.net/21.11116/0000-0002-4EF2-6
Zusammenfassung
X-ray spectroscopy is a method, ideally suited for investigating the electronic structure of matter, which has been enabled by the rapid developments in light sources and instruments. The X-ray fluorescence lines of life-relevant elements such as carbon, nitrogen, and oxygen are located in the soft X-ray regime and call for suitable spectrometer devices. In this work, we present a high resolution spectrum of liquid water, recorded with a soft X-ray spectrometer based on a reflection zone plate (RZP) design. The RZP-based spectrometer with meridional variation of line space density from 2953 l/mm to 3757 l/mm, offers extremely high detection efficiency and at the same time medium energy resolution. We can reproduce the well-known splitting of liquid water in the lone pair regime with 10 s acquisition time.