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. Nisoli^5,6, and D. Rupp¹ — ¹IOAP 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.