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Mainz 2017 – scientific programme

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A: Fachverband Atomphysik

A 31: Poster Session III

A 31.47: Poster

Thursday, March 9, 2017, 17:00–19:00, P OG1

Characterization of the time structure of a pulsed helium nanodroplet source via single-particle diffractive imaging — •Pablo Nuñez von Voigt1, N. Monserud2, B. Langbehn1, T. Möller1, M. Sauppe1, A. Spanier1, K. Sander3, C. Peltz3, T. Fennel3, B. Schütte2, M. Vrakking2, A. Rouzée2, F. Frassetto4, L. Poletto4, A. Trabattoni5, F. Calegari6, C. Nisoli5,6, and D. Rupp11IOAP TU Berlin, Germany — 2MBI, Germany — 3Universität Rostock, Germany — 4CNR Padova, Italy — 5Politecnico di Milano, Italy — 6CNR Milano, Italy

Single-shot experiments with coherent diffraction imaging enable the structure determination of individual nanoparticles. We used intense high-harmonic XUV-pulses to study the time structure of our pulsed source for helium nanodroplets (Even-Lavie valve, 5K, 80bar). The single-droplet images reveal a varying cluster size along the cluster pulse and an optimal opening time of the valve of 24 µs.

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