Results 31 to 40 of about 115,813 (164)

Laser-plasma interaction physics for shock ignition

EPJ Web of Conferences, 2013
In the shock ignition scheme, the ICF target is first compressed with a long (nanosecond) pulse before creating a convergent shock with a short (∼100 ps) pulse to ignite thermonuclear reactions.
Goyon C., Depierreux S., Michel D.T., Loisel G., Yahia V., Masson-Laborde P.E., Loiseau P., Hüller S., Borisenko N.G., Orekhov A., Rosmej O., Nicolaï P., Tikhonchuk V.T., Labaune C.   +13 more
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Optical probing of ultrafast laser-induced solid-to-overdense-plasma transitions

Light: Science & Applications
Understanding the solid target dynamics resulting from the interaction with an ultrashort laser pulse is a challenging fundamental multi-physics problem involving atomic and solid-state physics, plasma physics, and laser physics. Knowledge of the initial
Yasmina Azamoum, Georg Alexander Becker, Sebastian Keppler, Guillaume Duchateau, Stefan Skupin, Mickael Grech, Fabrice Catoire, Sebastian Hell, Issa Tamer, Marco Hornung, Marco Hellwing, Alexander Kessler, Franck Schorcht, Malte Christoph Kaluza   +13 more
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Plasma Expansion in Laser-Target Interaction Process [PDF]

مجله علوم و فنون هسته‌ای, 2012
In this paper, the behavior of temperature, density, velocity and pressure of the plasma shock front produced by the interaction of a focused Nd:YAG laser beam on a copper target, with an average pulsewidth of 30ns and 140mJ laser energy, have been ...
A.H Farahbod, M Afshari, E Agayari
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Identification of Coupling Mechanisms between Ultraintense Laser Light and Dense Plasmas

Physical Review X, 2019
The interaction of intense laser beams with plasmas created on solid targets involves a rich nonlinear physics. Because such dense plasmas are reflective for laser light, the coupling with the incident beam occurs within a thin layer at the interface ...
L. Chopineau, A. Leblanc, G. Blaclard, A. Denoeud, M. Thévenet, J-L. Vay, G. Bonnaud, Ph. Martin, H. Vincenti, F. Quéré   +9 more
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The influence of plasma density decreasement by pre-pulse on the laser wakefield acceleration

AIP Advances, 2011
In the laser wakefield acceleration, the generation of electron beam is very sensitive to the plasma density. Not only the laser-wakefield interaction, but also the electron trapping and acceleration would be effected by the plasma density.
Ke-Gong Dong, Yu-Chi Wu, Bin Zhu, Ying-Ling He, Wei-Min Zhou, Lei-Feng Cao, Hong-Jie Liu, Zong-Qing Zhao, Xian-Lun Wen, Chun-Ye Jiao, Wei Hong, Yu-Qiu Gu, Bao-Han Zhang, Xiao-Fang Wang   +13 more
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On the harmonic Boltzmannian waves in laser–plasma interaction [PDF]

Journal of Physics A: Mathematical and General, 2006
We study the permanent regimes of the reduced Vlasov-Maxwell system for laser-plasma interaction. A non-relativistic and two different relativistic models are investigated. We prove the existence of solutions where the distribution function is Boltzmannian and the electromagnetic variables are time-harmonic and circularly polarized.
Bostan, Mihai, Labrunie, Simon
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Characterization of electron beam generated in ignitor-plasma interaction of shock ignition concept [PDF]

مجله علوم و فنون هسته‌ای, 2015
Generally, laser ignitior parameters in shock ignition concept are above the threshold for laser-plasma instability and therefore are prompting the generation of fast electrons.
Somayeh Rezaei, Amirhossein Farahbod, Mohammadjafar Jafari, Samad Sobhanian   +3 more
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Studies of laser-plasma interaction physics with low-density targets for direct-drive inertial confinement schemes

Matter and Radiation at Extremes, 2019
Comprehensive understanding and possible control of parametric instabilities in the context of inertial confinement fusion (ICF) remains a challenging task.
V. Tikhonchuk, Y. J. Gu, O. Klimo, J. Limpouch, S. Weber   +4 more
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Long-lived hot and dense plasma from relativistic laser–nanowire array interaction [PDF]

Matter and Radiation at Extremes
Long-lived hot and dense plasmas generated by ultra-intense laser beams are of critical importance for laser-driven nuclear physics, bright hard X-ray sources, and laboratory astrophysics. We report the experimental observation of plasmas with nanosecond-
Ehsan Eftekhari-Zadeh, Mikhail Gyrdymov, Parysatis Tavana, Robert Loetzsch, Ingo Uschmann, Thomas Siefke, Thomas Käsebier, Uwe Zeitner, Adriana Szeghalmi, Alexander Pukhov, Dmitri Serebryakov, Evgeni Nerush, Igor Kostyukov, Olga Rosmej, Christian Spielmann, Daniil Kartashov   +15 more
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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.
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