Results 31 to 40 of about 655,925 (317)

Structure-Mediated Excitation of Air Plasma and Silicon Plasma Expansion in Femtosecond Laser Pulses Ablation

Research, 2018
Femtosecond laser-induced surface structures upon multiple pulses irradiation are strongly correlated with the pulse number, which in turn significantly affects successive laser-material interactions.
Qingsong Wang, Lan Jiang, Jingya Sun, Changji Pan, Weina Han, Guoyan Wang, Feifei Wang, Kaihu Zhang, Ming Li, Yongfeng Lu   +9 more
doaj   +1 more source

Relativistic laser plasma interactions [PDF]

Journal of Physics D: Applied Physics, 2003
By focusing petawatt peak power laser light to intensities up to 10 21 Wc m −2 , highly relativistic plasmas can now be studied. The force exerted by light pulses with this extreme intensity has been used to accelerate beams of electrons and protons to energies of a million volts in distances of only microns.
openaire   +1 more source

Laser-plasma interactions in magnetized environment [PDF]

Physics of Plasmas, 2018
Propagation and scattering of lasers present new phenomena and applications when the plasma medium becomes strongly magnetized. With mega-Gauss magnetic fields, scattering of optical lasers already becomes manifestly anisotropic. Special angles exist where coherent laser scattering is either enhanced or suppressed, as we demonstrate using a cold-fluid ...
Yuan Shi, Hong Qin, Nathaniel J. Fisch
openaire   +2 more sources

Studying the Dynamics of Relativistic Laser-Plasma Interaction on Thin Foils by Means of Fourier-Transform Spectral Interferometry.

Physical Review Letters, 2017
We apply Fourier-transform spectral interferometry (FTSI) to study the interaction of intense laser pulses with ultrathin targets. Ultrathin submicrometer-thick solid CH targets were shot at the PHELIX laser facility with an intensity in the mid to upper
V. Bagnoud, J. Hornung, Theodor Schlegel, B. Zielbauer, C. Brabetz, Markus Roth, P. Hilz, M. Haug, Jörg Schreiber, F. Wagner   +9 more
semanticscholar   +1 more source

Laser wakefield and direct acceleration in the plasma bubble regime [PDF]

, 2018
Laser wakefield acceleration (LWFA) and direct laser acceleration (DLA) are two different kinds of laser plasma electron acceleration mechanisms. LWFA relies on the laser-driven plasma wave to accelerate electrons.
Zhang, Xi, Ph. D.
core   +1 more source

Exploring novel target structures for manipulating relativistic laser–plasma interaction

High Power Laser Science and Engineering, 2017
The improved laser-to-pedestal contrast ratio enabled by current high-power laser pulse cleaning techniques allows the fine features of the target survive before the main laser pulse arrives. We propose to introduce the nano-fabrication technologies into
L. Ji, Sheng Jiang, A. Pukhov, R. Freeman, K. Akli   +4 more
semanticscholar   +1 more source

Transverse Dynamics and Energy Tuning of Fast Electrons Generated in Sub-Relativistic Intensity Laser Pulse Interaction with Plasmas [PDF]

, 2006
The regimes of quasi-mono-energetic electron beam generation were experimentally studied in the sub-relativistic intensity laser plasma interaction. The observed electron acceleration regime is unfolded with two-dimensional-particle-in-cell simulations ...
A. Sagisaka, A. Yamazaki, Amiranoff, Andreev, Antonsen, August, Barnes, Bulanov, Bulanov, Chao, Clayton, Esarey, Esirkepov, Faure, Geddes, H. Daido, H. Kotaki, I. Daito, J. Koga, K. Nakajima, K. Ogura, Kitagawa, Liseikina, Liseikina, M. Kando, M. Mori, Malka, Mangles, Miura, Modena, Nakajima, Pukhov, S.V. Bulanov, Sprangle, Sun, T. Kimura, Tajima, Tanaka, Umstadter, Whittum, Xu, Y. Hayashi, Yamazaki   +42 more
core   +2 more sources

Radiation sources based on laser–plasma interactions [PDF]

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2006
Plasma waves excited by intense laser beams can be harnessed to produce femtosecond duration bunches of electrons with relativistic energies. The very large electrostatic forces of plasma density wakes trailing behind an intense laser pulse provide field potentials capable of accelerating charged particles to high energies over very short distances, as
Jaroszynski, D.A., Bingham, R., Brunetti, E., Ersfeld, B., Gallacher, J., Van Der Geer, B., Issac, R., Jamison, S.P., Jones, D., De Loos, M., Lyachev, A., Pavlov, V., Reitsma, A., Saveliev, Y., Vieux, G., Wiggins, S.M.   +15 more
openaire   +5 more sources

Femtosecond x rays from laser-plasma accelerators [PDF]

, 2013
Relativistic interaction of short-pulse lasers with underdense plasmas has recently led to the emergence of a novel generation of femtosecond x-ray sources. Based on radiation from electrons accelerated in plasma, these sources have the common properties
Beck, A., Corde, S., Fitour, R., Lambert, G., Lefebvre, E., Malka, V., Phuoc, K. Ta, Rousse, A.   +7 more
core   +4 more sources

Laser-Plasma Interactions and Applications [PDF]

Laser plasma accelerators , 2013
Laser-Plasma Interactions and Applications covers the fundamental and applied aspects of high power laser-plasma physics. With an internationally renowned team of authors, the book broadens the knowledge of young researchers working in high power laser-plasma science by providing them with a thorough pedagogical grounding in the interaction of laser ...
V. Malka, J. Faure, Y. Gauduel
openaire   +2 more sources