Author
Listed:
- J. Geilhufe
(Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
Institut für Optik und Atomare Physik, Technische Universität Berlin)
- B. Pfau
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- M. Schneider
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- F. Büttner
(Institut für Optik und Atomare Physik, Technische Universität Berlin
Institut für Physik and Exzellenz Graduiertenschule Materials Science in Mainz, Johannes Gutenberg Universität Mainz)
- C. M. Günther
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- S. Werner
(Helmholtz-Zentrum Berlin für Materialien und Energie GmbH)
- S. Schaffert
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- E. Guehrs
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- S. Frömmel
(Institut für Optik und Atomare Physik, Technische Universität Berlin)
- M. Kläui
(Institut für Physik and Exzellenz Graduiertenschule Materials Science in Mainz, Johannes Gutenberg Universität Mainz)
- S. Eisebitt
(Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
Institut für Optik und Atomare Physik, Technische Universität Berlin)
Abstract
Fourier transform holography is a highly efficient and robust imaging method, suitable for single-shot imaging at coherent X-ray sources. In its common implementation, the image contrast is limited by the reference signal generated by a small pinhole aperture. Increased pinhole diameters improve the signal, whereas the resolution is diminished. Here we report a new concept to decouple the spatial resolution from the image contrast by employing a Fresnel zone plate to provide the reference beam. Superimposed on-axis images of distinct foci are separated with a novel algorithm. Our method is insensitive to mechanical drift or vibrations and allows for long integration times common at low-flux facilities like high harmonic generation sources. The application of monolithic focused reference beams improves the efficiency of high-resolution X-ray Fourier transform holography beyond all present approaches and paves the path towards sub-10 nm single-shot X-ray imaging.
Suggested Citation
J. Geilhufe & B. Pfau & M. Schneider & F. Büttner & C. M. Günther & S. Werner & S. Schaffert & E. Guehrs & S. Frömmel & M. Kläui & S. Eisebitt, 2014.
"Monolithic focused reference beam X-ray holography,"
Nature Communications, Nature, vol. 5(1), pages 1-6, May.
Handle:
RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4008
DOI: 10.1038/ncomms4008
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