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

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

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...

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Hlavní autoři: Zastrau, U, Feigl, T, Appel, K, Chen, B, Fletcher, LB, Förster, E, Gamboa, E, Gericke, DO, Göde, S, Grote-Fortmann, C, Hilbert, V, Kazak, L, Laarmann, T, Lee, HJ, Mabey, P, Martinez, F, Meiwes-Broer, KH, Pauer, H, Perske, M, Przystaw, A, Roling, S, Skruszewicz, S, Shihab, M, Tiggesbäumker, J, Toleikis, S, Wünsche, M, Zacharias, H, Glenzer, SH, Gregori, G
Médium: Journal article
Vydáno: AIP Publishing 2018
Popis
Shrnutí: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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