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Berlin 2018 – scientific programme

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KFM: Fachverband Kristalline Festkörper und deren Mikrostruktur

KFM 10: Spectroscopy and Microscopy I with X-rays and Ions

KFM 10.2: Talk

Tuesday, March 13, 2018, 10:00–10:20, EMH 225

Laboratory soft X-ray Tomography — •Aurélie Dehlinger1,2, Julia Bränzel1,3, Daniel Grötzsch1,2, Robert Jung3, Birgit Kanngießer1,2, Stefan Rehbein4, Christian Seim5, and Holger Stiel1,31Berlin Laboratory for innovative X-ray technologies (BLiX) — 2Technische Universität Berlin, Institut für Optik und Atomare Physik, Hardenbergstr. 36, 10623 Berlin, Germany — 3Max-Born-Institut, Max-Born-Str. 2A, 12489 Berlin, Germany — 4Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany — 5Physikalisch-Technische Bundesanstalt, Abbestr 2-12, 10587 Berlin, Germany

In microscopy, where the resolution depends on the wavelength of the probing light, soft X-rays can be used to analyze samples that cannot be resolved with visible light microscopes. X-ray microscopy in the water window allows imaging with resolutions in the nanometer regime as well as a high contrast between carbon and oxygen, which is an ideal condition for the tomographic investigation of biological samples in their natural state. We present a Full-Field Laboratory Transmission X-ray Microscope (LTXM) at the Berlin Laboratory for innovative X-ray technologies (BLiX) with a probing radiation energy of 500 eV, provided by a laser-based nitrogen plasma source. The development of laboratory X-ray sources aims to increase the availability of X-ray microscopy to a broader scientific community. We will present the latest measurements carried out on biological samples and the corresponding reconstructed tomograms, which are the key to a more precise and global analysis in various fields of life science.

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