Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Jaromir Chalupsky"'
Autor:
Marziyeh Tavakkoly, Jaromir Chalupsky, Vera Hajkova, Wolfgang Hillert, Simon Jelinek, Libor Juha, Mikako Makita, Tommaso Mazza, Michael Meyer, Jacobo Montano, Harald Sinn, Vojtech Vozda, Maurizio Vannoni
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1067-1070 (2024)
Xray free-electron lasers (XFELs) enable experiments that would have been impractical or impossible at conventional X-ray laser facilities. Indeed, more XFEL facilities are being built and planned, with their aim to deliver larger pulse energies and
Externí odkaz:
https://doaj.org/article/6bad286d34f34c92a4fe1eba765553c6
Autor:
Sergey Makarov, Mikako Makita, Motoaki Nakatsutsumi, Tatiana Pikuz, Norimasa Ozaki, Thomas R. Preston, Karen Appel, Zuzana Konopkova, Valerio Cerantola, Erik Brambrink, Jan-Patrick Schwinkendorf, Istvan Mohacsi, Tomas Burian, Jaromir Chalupsky, Vera Hajkova, Libor Juha, Vojtech Vozda, Bob Nagler, Ulf Zastrau, Sergey Pikuz
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 1, Pp 208-216 (2023)
The application of fluorescent crystal media in wide-range X-ray detectors provides an opportunity to directly image the spatial distribution of ultra-intense X-ray beams including investigation of the focal spot of free-electron lasers. Here the cap
Externí odkaz:
https://doaj.org/article/7d3a0719c0d44555bdab063732328c14
Autor:
Huaiyu Cui, Alexandr Frolov, Jiri Schmidt, Jaroslav Straus, Tomas Burian, Vera Hajkova, Jaromir Chalupsky, Yongpeng Zhao, Karel Kolacek, Libor Juha
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1251 (2022)
Monocrystalline barium fluoride (BaF2) slab targets were irradiated by focused 46.9-nm laser radiation at various fluence levels above the ablation threshold. Well-developed ablation patterns with sharp edges were studied by AFM (atomic force microsc
Externí odkaz:
https://doaj.org/article/0029f9cc3a7142698978c3a20c461e18
Autor:
Jaromir Chalupsky, Vojtech Vozda, Jan Hering, Jan Kybic, Tomas Burian, Siarhei Dziarzhytski, Katerina Frantalova, Vera Hajkova, Simon Jelinek, Libor Juha, Barbara Keitel, Zuzana Kuglerová, Marion Kuhlmann, Bohdan Petryshak, Mabel Ruiz Lopez, Ludek Vysin, Thomas Wodzinski, Elke Plönjes
Publikováno v:
Optics Express.
Autor:
D. S. Rackstraw, Johan Bielecki, S. Roling, Jaromir Chalupsky, Michael P. Desjarlais, H. Fleckenstein, Věra Hájková, T. R. Preston, Janos Hajdu, Justin Wark, Muhammad Kasim, Saša Bajt, Kerstin Muehlig, Libor Juha, Sven Toleikis, V. Vozda, Tomáš Burian, P. Hollebon, Jakob Andreasson, O. Ciricosta, Sam Vinko, Helmut Zacharias, Emma McBride
Publikováno v:
Physical review letters 124(22), 225002 (2020). doi:10.1103/PhysRevLett.124.225002
The free-free opacity in plasmas is fundamental to our understanding of energy transport in stellar interiors and for inertial confinement fusion research. However, theoretical predictions in the challenging dense plasma regime are conflicting and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acb817ebe9dd0d7aad0f5ccb6eea7c5e
https://bib-pubdb1.desy.de/record/441818
https://bib-pubdb1.desy.de/record/441818
Autor:
Josef Krása, Tomáš Burian, Věra Hájková, Jaromír Chalupský, Šimon Jelínek, Kateřina Frantálová, Michal Krupka, Zuzana Kuglerová, Sushil Kumar Singh, Vojtěch Vozda, Luděk Vyšín, Michal Šmíd, Pablo Perez-Martin, Marion Kühlman, Juan Pintor, Jakub Cikhardt, Matthias Dreimann, Dennis Eckermann, Felix Rosenthal, Sam M. Vinko, Alessandro Forte, Thomas Gawne, Thomas Campbell, Shenyuan Ren, YuanFeng Shi, Trevor Hutchinson, Oliver Humphries, Thomas Preston, Mikako Makita, Motoaki Nakatsutsumi, Xiayun Pan, Alexander Köhler, Marion Harmand, Sven Toleikis, Katerina Falk, Libor Juha
Publikováno v:
Matter and Radiation at Extremes, Vol 9, Iss 1, Pp 016602-016602-14 (2024)
We report on an experiment performed at the FLASH2 free-electron laser (FEL) aimed at producing warm dense matter via soft x-ray isochoric heating. In the experiment, we focus on study of the ions emitted during the soft x-ray ablation process using
Externí odkaz:
https://doaj.org/article/e22751757963401395f172acdd53d731
Publikováno v:
Physical Review B. 99
We theoretically investigate which experimental observations enable discrimination between thermal and nonthermal melting in femtosecond laser pulse-irradiated semiconductors. We identify that coherent phonon excitation, visible in the oscillations o
Autor:
Gianluca Gregori, Thomas Dzelzainis, H. J. Lee, Richard W. Lee, Tilo Döppner, Ingo Uschmann, Justin Wark, David Riley, Siegfried Glenzer, Sven Toleikis, T. Whitcher, Sam Vinko, Bob Nagler, Art J. Nelson, Frank B. Rosmej, Carsten Fortmann, Eric Galtier, E. Förster, R. R. Fäustlin, Thomas Tschentscher, Tomáš Burian, Nikita Medvedev, Ciaran Lewis, Libor Juha, Ulf Zastrau, Jaromir Chalupsky
Publikováno v:
Laser and Particle Beams. 30:45-56
We report on experiments aimed at the generation and characterization of solid density plasmas at the free-electron laser FLASH in Hamburg. Aluminum samples were irradiated with XUV pulses at 13.5 nm wavelength (92 eV photon energy). The pulses with
Autor:
Pavel Boháček, Jacek Krzywinski, Stefan Moeller, M. Swiggers, Stefan P. Hau-Riege, Michael Rowen, Joshua J. Turner, P.A. Heimann, Libor Juha, Jaromir Chalupsky, Věra Hájková, William F. Schlotter, Marc Messerschmidt, Bob Nagler
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 631:130-133
X-ray lasers represent a powerful tool to explore matter under extreme conditions. A rigorous characterization of their output parameters is, therefore, of substantial importance for the purposes of the experiments being conducted at these sources. A
Autor:
Gae Hwang Lee, Bedřich Rus, SoonAe Park, Tomas Fort, Jaroslav Sobota, Chang Hee Nam, Taekeun Kim, Michaela Kozlova, Věra Hájková, Libor Juha, J. Hrebicek, Tomas Mocek, M. Sawicka, Krzysztof Jakubczak, Chul Min Kim, Jiri Polan, P. Homer, I. J. Kim, Jaromir Chalupsky
Publikováno v:
Radiation Effects and Defects in Solids. 165:551-558
We report on a single-shot micropatterning of an organic polymer achieved by ablation with demagnifying projection using a plasma-based extreme ultraviolet (XUV) laser at 21 nm. A nickel mesh with a period of 100 μ m was 10×demagnified and imprinte