Zobrazeno 1 - 10
of 360
pro vyhledávání: '"Vrakking, M."'
Autor:
Sobolev, E., Volkov, M., Svirplys, E., Thomas, J., Witting, T., Vrakking, M. J. J., Schütte, B.
The generation of terawatt (TW) near-single-cycle laser pulses is of high interest for applications including attosecond science. Here we demonstrate a three-stage post-compression scheme in a non-guided geometry using He as the nonlinear medium, res
Externí odkaz:
http://arxiv.org/abs/2404.18266
Autor:
Major, B., Kovács, K., Svirplys, E., Anus, M., Ghafur, O., Varjú, K., Vrakking, M. J. J., Tosa, V., Schütte, B.
High-harmonic generation (HHG) normally requires a careful adjustment of the driving laser intensity (typically $10^{14} - 10^{15}$ W/cm$^2$) and gas medium parameters to enable good phase matching conditions. In contrast with conventional wisdom, we
Externí odkaz:
http://arxiv.org/abs/2203.11021
Autor:
Kretschmar, M., Hadjipittas, A., Major, B., Tümmler, J., Will, I., Nagy, T., Vrakking, M. J. J., Emmanouilidou, A., Schütte, B.
Multi-electron dynamics in atoms and molecules very often occur on sub- to few-femtosecond timescales. The available intensities of extreme-ultraviolet (XUV) attosecond pulses have previously only allowed the time-resolved investigation of two-photon
Externí odkaz:
http://arxiv.org/abs/2108.13383
We report on a compact and spectrally intense extreme-ultraviolet (XUV) source, which is based on high-harmonic generation (HHG) driven by 395 nm pulses. In order to minimize the XUV virtual source size and to maximize the XUV flux, HHG is performed
Externí odkaz:
http://arxiv.org/abs/2106.15920
Extreme-ultraviolet (XUV) sources including high-harmonic generation, free-electron lasers, soft x-ray lasers and laser-driven plasmas are widely used for applications ranging from femtochemistry and attosecond science to coherent diffractive imaging
Externí odkaz:
http://arxiv.org/abs/2002.11552
Autor:
Major, B., Kretschmar, M., Ghafur, O., Hoffmann, A., Kovács, K., Varjú, K., Senfftleben, B., Tümmler, J., Will, I., Nagy, T., Rupp, D., Vrakking, M. J. J., Tosa, V., Schütte, B.
The ongoing development of intense high-harmonic generation (HHG) sources has recently enabled highly nonlinear ionization of atoms by the absorption of at least 10 extreme-ultraviolet (XUV) photons within a single atom [Senfftleben \textit{et al.},
Externí odkaz:
http://arxiv.org/abs/2002.07139
Laser-induced plasma formation and subsequent relaxation in solid dielectrics is the precursor to structural modifications that are accompanied by a permanent alteration of material properties. The decay of the electron-hole plasma through distinct r
Externí odkaz:
http://arxiv.org/abs/1907.05925
Autor:
Jürgens, P., Liewehr, B., Kruse, B., Peltz, C., Engel, D., Husakou, A., Witting, T., Ivanov, M., Vrakking, M. J. J., Fennel, T., Mermillod-Blondin, A.
Kerr-type nonlinearities form the basis for our physical understanding of nonlinear optical phenomena in condensed matter, such as self-focusing, solitary waves, and wave mixing. In strong fields, they are complemented by higher-order nonlinearities
Externí odkaz:
http://arxiv.org/abs/1905.05126
Autor:
Babushkin, I., Galan, A. J., Andrade, J. R. C., Husakou, A., Morales, F., Kretschmar, M., Nagy, T., Vaičaitis, V., Shi, L., Zuber, D., Bergé, L., Skupin, S., Nikolaeva, I. A., Panov, N. A., Shipilo, D. E., Kosareva, O. G., Pfeiffer, A. N., Demircan, A., Vrakking, M. J. J., Morgner, U., Ivanov, M.
Recent experiments on measuring time-delays during tunnelling of cold atoms through an optically created potential barrier are reinvigorating the controversial debate regarding possible time-delays during light-induced tunnelling of an electron from
Externí odkaz:
http://arxiv.org/abs/1803.04187
Autor:
Boll, R., Rouzee, A., Adolph, M., Anielski, D., Aquila, A., Bari, S., Bomme, C., Bostedt, C., Bozek, J. D., Chapman, H. N., Christensen, L., Coffee, R., Coppola, N., De, S., Decleva, P., Epp, S. W., Erk, B., Filsinger, F., Foucar, L., Gorkhover, T., Gumprecht, L., Hoemke, A., Holmegaard, L., Johnsson, P., Kienitz, J. S., Kierspel, T., Krasniqi, F., Kuehnel, K. -U., Maurer, J., Messerschmidt, M., Moshammer, R., Mueller, Nele L. M., Rudek, B., Savelyev, E., Schlichting, I., Schmidt, C., Scholz, F., Schorb, S., Schulz, J., Seltmann, J., Stener, M., Stern, S., Techert, S., Thogersen, J, Trippel, S., Viefhaus, J., Vrakking, M, Stapelfeldt, H., Kuepper, J., Ullrich, J., Rudenko, A., Rolles, D.
This paper gives an account of our progress towards performing femtosecond time-resolved photoelectron diffraction on gas-phase molecules in a pump-probe setup combining optical lasers and an X-ray Free-Electron Laser. We present results of two exper
Externí odkaz:
http://arxiv.org/abs/1407.7782