Hannover 2016 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 33: Interaction with strong or short laser pulses III

A 33.3: Vortrag

Donnerstag, 3. März 2016, 11:45–12:00, f303

In-flight-holography -- a novel approach to image single nanoparticles with highly intense X-ray pulses — •A Ulmer¹, K Ferguson², M Bucher², T Ekeberg³, M Hantke³, B Daurer³, C Nettelblad³, J Andreasson³, A Barty⁴, J Bielecki³, G Bortel⁵, G Carlsson³, D DePonte², G Faigel⁵, D Hasse³, D Larsson³, M Liang⁴, A Morgan⁴, K Mühlig³, M Müller¹, K Okamoto³, G Oszlanyi⁵, A Pietrini³, D Rupp¹, M Sauppe¹, M Seibert³, J Sellberg³, M Svenda³, A Szoke⁶, M Tegze⁵, E Timneanu³, G van der Schot³, A Zani³, H Chapman⁴, J Hajdu³, F Maia³, C Bostedt², T Möller¹, and T Gorkhover^1,2 — ¹TU Berlin — ²LCLS@SLAC — ³Uppsala University — ⁴CFEL@Desy Hamburg — ⁵Hungarian Academy of Sciences — ⁶LLNL

Free-Electron Lasers (FEL) open the door to study the morphology of non-crystalline gas phase nanoparticles by single-shot coherent diffraction imaging. To extract full structural information the phase information has to be retrieved, as it is lost due to the imaging process. Hereby sophisticated techniques and the use of constraints were necessary in former approaches. For solid targets holographic methods were applied successfully which retrieve the phase directly by encoding it in the probe exit wave's amplitude. In-flight-holography (IFH) is a novel approach where the scattered light from xenon nanoclusters is used as a holographic reference. This talk will report on the first IFH experiment, where the LCLS FEL was used to image single free nanoparticles, e.g. viruses. First results and resolution limits through experimental constraints will be discussed.