Zobrazeno 1 - 10
of 518
pro vyhledávání: '"Z M Sheng"'
Autor:
H C Fan, X Y Liu, X F Li, J F Qu, Q Yu, Q Kong, S M Weng, M Chen, M Büscher, P Gibbon, S Kawata, Z M Sheng
Publikováno v:
New Journal of Physics, Vol 24, Iss 8, p 083047 (2022)
Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas–Bargmann–Michel–Telegdi equation. Using a test-particle model, th
Externí odkaz:
https://doaj.org/article/04dea33de36b401b95a87fcd1c50f2e9
Autor:
Q Zhao, S M Weng, Z M Sheng, M Chen, G B Zhang, W B Mori, B Hidding, D A Jaroszynski, J Zhang
Publikováno v:
New Journal of Physics, Vol 20, Iss 6, p 063031 (2018)
The effect of an external transverse magnetic field on ionization injection of electrons in a laser wakefield accelerator (LWFA) is investigated by theoretical analysis and particle-in-cell simulations. On application of a few tens of Tesla magnetic
Externí odkaz:
https://doaj.org/article/d69c05377f134f278361ce8f6f126f30
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 8, p 081301 (2024)
A terahertz radiation enhancing scheme, in which a linearly polarized weakly relativistic laser pulse irradiates a target consisting of two parallel thin-solid layers with a certain gap, is proposed and studied by using two-dimensional particle-in-ce
Externí odkaz:
https://doaj.org/article/6c46958fb66741bc84ea4eebdccf86b7
Publikováno v:
High Power Laser Science and Engineering, Vol 12 (2024)
Polarized electron beam production via laser wakefield acceleration in pre-polarized plasma is investigated by particle-in-cell simulations. The evolution of the electron beam polarization is studied based on the Thomas–Bargmann–Michel–Telegdi
Externí odkaz:
https://doaj.org/article/6761667b0b8146dd898d195358c3fcbe
Publikováno v:
New Journal of Physics, Vol 14, Iss 8, p 083031 (2012)
It is shown that a laser wakefield driven in the highly nonlinear regime or the wave-breaking regime in underdense plasma can emit ultra-broad-band bright extreme ultraviolet (XUV) radiation pulses, which are as short as a few hundreds of attoseconds
Externí odkaz:
https://doaj.org/article/8c567d3cb2a34b29884a7067f7834b6b
Publikováno v:
Matter and Radiation at Extremes, Vol 6, Iss 5, Pp 055902-055902-8 (2021)
Sunlight-like lasers that have a continuous broad frequency spectrum, random phase spectrum, and random polarization are formulated theoretically. With a sunlight-like laser beam consisting of a sequence of temporal speckles, the resonant three-wave
Externí odkaz:
https://doaj.org/article/20a8271b8df842edb10d489e46907f48
Publikováno v:
AIP Advances, Vol 11, Iss 7, Pp 075003-075003-6 (2021)
A pairwise nuclear fusion algorithm for particle-in-cell simulations for arbitrarily weighted macro-particles at relativistic energies is proposed. When comparing with a recent study by Higginson et al. [J. Comput. Phys. 388, 439 (2019)], our method
Externí odkaz:
https://doaj.org/article/e99419d3edfa4e0696447289112414cf
Autor:
Y. X. Geng, D. Wu, W. Yu, Z. M. Sheng, S. Fritzsche, Q. Liao, M. J. Wu, X. H. Xu, D. Y. Li, W. J. Ma, H. Y. Lu, Y. Y. Zhao, X. T. He, J. E. Chen, C. Lin, X. Q. Yan
Publikováno v:
Matter and Radiation at Extremes, Vol 5, Iss 6, Pp 064402-064402-6 (2020)
We report systematic studies of laser-driven proton beams produced with micrometer-thick solid targets made of aluminum and plastic, respectively. Distinct effects of the target materials are found on the total charge, cutoff energy, and beam spot of
Externí odkaz:
https://doaj.org/article/9426e76c71c94cd7a568bda9aacf567f
Autor:
G. G. Manahan, A. F. Habib, P. Scherkl, P. Delinikolas, A. Beaton, A. Knetsch, O. Karger, G. Wittig, T. Heinemann, Z. M. Sheng, J. R. Cary, D. L. Bruhwiler, J. B. Rosenzweig, B. Hidding
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Controlling and improving electron beam parameters are crucial for their application in free electron laser and X-ray sources. Here the authors generate quality electron beams with reduced energy spread from plasma accelerators by using a tailored es
Externí odkaz:
https://doaj.org/article/9a78d42a29d04df6a3ee17ee17631441
Publikováno v:
AIP Advances, Vol 9, Iss 7, Pp 075026-075026-4 (2019)
An O-mode microwave reflectometry system has been developed to measure the density fluctuation on Zheda Plasma Experiment Device (ZPED). The microwave frequency range of this diagnostic system is from 10 GHz to 18 GHz, corresponding to the cutoff den
Externí odkaz:
https://doaj.org/article/64a85767f06044a5925232c34525b40e