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Erlangen 2018 – scientific programme

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A: Fachverband Atomphysik

A 30: Atomic Clusters III (joint session A/MO)

A 30.5: Talk

Wednesday, March 7, 2018, 15:00–15:15, K 2.016

Lasersheet nanoparticle imaging — •Lena Worbs1,2, Amit Samanta1, Daniel Horke1,2, and Jochen Küpper1,2,31Center for Free-Electron Laser Science, DESY, Hamburg, Germany — 2Center for Ultrafast Imaging, Universität Hamburg, Germany — 3Department of Physics, Universität Hamburg, Germany

For coherent diffractive imaging of nanoparticles at free-electron lasers, sample delivery techniques and appropriate diagnostics have to be developed.

To characterize nanoparticle beams from aerodynamic cooling elements, e.g., aerodynamic lenses or buffer-gas cooling cells, a sheet of light is generated, and the scattered light of nanoparticles passing through the sheet is imaged with a microscope. Lasersheet imaging enables a full reconstruction of the transverse profile of the nanoparticle beam. Furthermore, it offers the opportunity to image the nanoparticle beam density without an additional setup, allowing the optimization of sample delivery methods.

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