Publications associated with Plasma Theory


A sensitive EUV Schwarzschild microscope for plasma studies with sub-micrometer resolution.

The Review of scientific instruments 89 (2018) 023703-

U Zastrau, C Rödel, M Nakatsutsumi, T Feigl, K Appel, B Chen, T Döppner, T Fennel, T Fiedler, LB Fletcher, E Förster, E Gamboa, DO Gericke, S Göde, C Grote-Fortmann, V Hilbert, L Kazak, T Laarmann, HJ Lee, P Mabey, F Martinez, K-H Meiwes-Broer, H Pauer, M Perske, A Przystawik, S Roling, S Skruszewicz, M Shihab, J Tiggesbäumker, S Toleikis, M Wünsche, H Zacharias, SH Glenzer, G Gregori

We present an extreme ultraviolet (EUV) microscope using a Schwarzschild objective which is optimized for single-shot sub-micrometer imaging of laser-plasma targets. The microscope has been designed and constructed for imaging the scattering from an EUV-heated solid-density hydrogen jet. Imaging of a cryogenic hydrogen target was demonstrated using single pulses of the free-electron laser in Hamburg (FLASH) free-electron laser at a wavelength of 13.5 nm. In a single exposure, we observe a hydrogen jet with ice fragments with a spatial resolution in the sub-micrometer range. In situ EUV imaging is expected to enable novel experimental capabilities for warm dense matter studies of micrometer-sized samples in laser-plasma experiments.


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