Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Tarasevitch, A. P."'
Autor:
Naranjo-Montoya, O. A., Bridger, M., Bhar, R., Kalkhoff, L., Schleberger, M., Wende, H., Tarasevitch, A., Bovensiepen, U.
Publikováno v:
Rev. Sci. Instrum. 95, 103001 (2024)
We present a table-top setup for femtosecond x-ray absorption spectroscopy based on high harmonic generation (HHG) in noble gases. Using sub-millijoule pump pulses at a central wavelength of 1550 nm broadband HHG in the range 70 to 350 eV was demonst
Externí odkaz:
http://arxiv.org/abs/2402.16176
Autor:
Lu, Wei, Nicoul, Matthieu, Shymanovich, Uladzimir, Tarasevitch, Alexander, Hoegen, Michael Horn-von, von der Linde, Dietrich, Sokolowski-Tinten, Klaus
We present a table-top setup for femtosecond time-resolved X-ray diffraction based on a Cu K{\alpha} (8.05 keV) laser driven plasma X-ray source. Due to its modular design it provides high accessibility to its individual components (e.g. X-ray optics
Externí odkaz:
http://arxiv.org/abs/2310.10128
Autor:
Huang, Zhipeng, Bridger, Manuel, Naranjo-Montoya, Oscar A, Tarasevitch, Alexander, Bovensiepen, Uwe, Tong, Yujin, Campen, R. Kramer
Understanding heterogeneous charge transfer is crucial if we are to build the best electrolyzers, fuel cells and photoelectrochemical water splitting devices that chemistry allows. Because the elementary processes involved have timescales ranging fro
Externí odkaz:
http://arxiv.org/abs/2304.06684
Autor:
Afshari, Mohammadmahdi, Krumey, Philipp, Menn, Dennis, Nicoul, Matthieu, Brinks, Fabian, Tarasevitch, Alexander, Sokolowski-Tinten, Klaus
Publikováno v:
Structural Dynamics 7, 014301 (2020)
We present a set-up for time-resolved X-ray diffraction based on a short pulse, laser-driven plasma X-ray source. The employed modular design provides high flexibility to adapt the set-up to the specific requirements (e.g. X-ray optics, sample enviro
Externí odkaz:
http://arxiv.org/abs/2001.02049
Autor:
Lu, W., Nicoul, M., Shymanovich, U., Brinks, F., Afshari, M., Tarasevitch, A., von der Linde, D., Sokolowski-Tinten, K.
The transient acoustic response of a free-standing, polycrystalline thin Au film upon femtosecond optical excitation has been studied by time-resolved Debye-Scherrer X-ray diffraction using ultrashort Cu K$_{\alpha}$ X-ray pulses from a laser-driven
Externí odkaz:
http://arxiv.org/abs/1912.04649
Publikováno v:
Optics Express 27 (2019) 31330-31337
High-energy femtosecond laser pulses in the mid-infrared (MIR) wavelength range are essential for a wide range of applications from strong-field physics to selectively pump and probe low energy excitations in condensed matter and molecular vibrations
Externí odkaz:
http://arxiv.org/abs/1908.01879
Publikováno v:
Phys. Rev. A 99, 033836 (2019)
Harmonic generation from solid surfaces is a promising tool for producing high energy attosecond pulses. We report shaping of the harmonic spectrum to achieve the bandwidth necessary for attosecond pulse generation. The shaping is demonstrated for lo
Externí odkaz:
http://arxiv.org/abs/1901.11147
Autor:
Chen, Jinghao, Wieczorek, Jens, Eschenlohr, Andrea, Xiao, Shunhao, Tarasevitch, Alexander, Bovensiepen, Uwe
Publikováno v:
Appl. Phys. Lett. 110, 092407 (2017)
We analyze laser-induced ultrafast, spatially inhomogeneous magnetization dynamics of epitaxial Co/Cu(001) films in a 0.4-10 nm thickness range with time-resolved magnetization-induced second harmonic generation, which probes femtosecond spin dynamic
Externí odkaz:
http://arxiv.org/abs/1608.03842
Autor:
Wieczorek, J., Eschenlohr, A., Weidtmann, B., Rösner, M., Bergeard, N., Tarasevitch, A., Wehling, T. O., Bovensiepen, U.
Publikováno v:
Phys. Rev. B 92, 174410 (2015)
Ultrafast magnetization dynamics in metallic heterostructures consists of a combination of local demagnetization in the ferromagnetic constituent and spin-dependent transport contributions within and in between the constituents. Separation of these l
Externí odkaz:
http://arxiv.org/abs/1503.01979
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