Zobrazeno 1 - 10
of 209
pro vyhledávání: '"F N Beg"'
Autor:
M Bailly-Grandvaux, J Kim, C M Krauland, S Zhang, M Dozières, M S Wei, W Theobald, P E Grabowski, J J Santos, Ph Nicolaï, P McKenna, M P Desjarlais, F N Beg
Publikováno v:
New Journal of Physics, Vol 22, Iss 3, p 033031 (2020)
We report experimental results on relativistic electron beam (REB) transport in a set of cold and shock-heated carbon samples using the high-intensity kilojoule-class OMEGA EP laser. The REB energy distribution and transport were diagnosed using an e
Externí odkaz:
https://doaj.org/article/817ebc12a1bb4d2791710ef7b3b6fe3f
Autor:
J Kim, A Link, D Canning, P Fitzsimmons, J A Fooks, S Kerr, T Ma, M J-E Manuel, D Mariscal, R Wallace, G J Williams, L Willingale, F N Beg, H Chen
Publikováno v:
New Journal of Physics, Vol 22, Iss 12, p 123020 (2020)
Focusing effect of laser-driven positron jets by self-generated target sheath fields has been observed for the first time experimentally and the results are supported by the computational studies. In the experiment, OMEGA EP short-pulse (0.7 ps, 500
Externí odkaz:
https://doaj.org/article/8f926ad885aa41fb8bdedf93f37ca7ef
Autor:
J Li, P Forestier-Colleoni, M Bailly-Grandvaux, C McGuffey, A V Arefiev, S S Bulanov, J Peebles, C Krauland, A E Hussein, T Batson, J C Fernandez, S Palaniyappan, R P Johnson, G M Petrov, F N Beg
Publikováno v:
New Journal of Physics, Vol 21, Iss 10, p 103005 (2019)
Laser-driven ion acceleration has been an active research area in the past two decades with the prospects of designing novel and compact ion accelerators. Many potential applications in science and industry require high-quality, energetic ion beams w
Externí odkaz:
https://doaj.org/article/1588667bed9b4eefb629a988eced59d2
Autor:
J Peebles, M S Wei, A V Arefiev, C McGuffey, R B Stephens, W Theobald, D Haberberger, L C Jarrott, A Link, H Chen, H S McLean, A Sorokovikova, S Krasheninnikov, F N Beg
Publikováno v:
New Journal of Physics, Vol 19, Iss 2, p 023008 (2017)
A series of experiments studying pre-plasma’s effect on electron generation and transport due to a high intensity laser were conducted on the OMEGA-EP laser facility. A controlled pre-plasma was produced in front of an aluminum foil target prior to
Externí odkaz:
https://doaj.org/article/990e9060f7d0465f998133d79c6ee483
Publikováno v:
AIP Advances, Vol 14, Iss 6, Pp 065123-065123-6 (2024)
Efficient generation of 13.5 nm light with increased conversion efficiency and output power is important for Extreme Ultraviolet (EUV) lithography applications. In this study, we present a computational investigation of plasma dynamics and EUV genera
Externí odkaz:
https://doaj.org/article/0be27c7a908248fbaa550c39cac9aa42
Autor:
D. Zimmer, M. R. Gomez, N. Bennett, C. A. Jennings, C. E. Myers, D. C. Lamppa, F. Conti, F. N. Beg
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 10, p 100401 (2024)
Magnetized liner inertial fusion (MagLIF) is an attractive concept for producing thermonuclear fusion reactions. The MagLIF platform involves the operation of Helmholtz coils to apply a 15 Tesla axial magnetic field to the load region, where a cylind
Externí odkaz:
https://doaj.org/article/37db6000963b46b385b0a4a9276394e5
Autor:
C McGuffey, A Raymond, T Batson, R Hua, G M Petrov, J Kim, C M Krauland, A Maksimchuk, A G R Thomas, V Yanovsky, K Krushelnick, F N Beg
Publikováno v:
New Journal of Physics, Vol 18, Iss 11, p 113032 (2016)
We have studied laser acceleration of ions from Si _3 N _4 and Al foils ranging in thickness from 1800 to 8 nm with particular interest in acceleration of ions from the bulk of the target. The study includes results of experiments conducted with the
Externí odkaz:
https://doaj.org/article/7bb066a27d64442dac3f240f862c0f10
Autor:
M. Bailly-Grandvaux, E. N. Hahn, T. R. Joshi, K. Werellapatha, T. Cordova, R. E. Turner, J. E. Garay, R. B. Spielman, J. K. Wicks, F. N. Beg
Publikováno v:
Physical Review Research, Vol 6, Iss 3, p 033053 (2024)
The effect of laser pulse duration on energy coupling into a planar silicon target is investigated in experiments at the OMEGA-EP facility by varying the laser pulse length τ—spanning 3 orders of magnitude from 100 ps to 10 ns—while maintaining
Externí odkaz:
https://doaj.org/article/83a4830dab9c4a228b48cc9ca8a6c447
Publikováno v:
AIP Advances, Vol 14, Iss 2, Pp 025043-025043-10 (2024)
Measurement of the temporal evolution of laser-produced plasma temperature is very important for many of its applications, and several plasma diagnostic tools are routinely used by researchers. However, it is very challenging to measure the propertie
Externí odkaz:
https://doaj.org/article/c02c4d4c70584d709ae4f75836e558d0
Autor:
M. Bailly-Grandvaux, R. Florido, C. A. Walsh, G. Pérez-Callejo, F. N. Beg, P. Bradford, M. A. Gigosos, R. C. Mancini, C. McGuffey, F. Suzuki-Vidal, C. Vlachos, J. J. Santos
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p L012018 (2024)
Magnetization is a key strategy for enhancing inertial fusion performance, though accurate characterization of magnetized dense plasmas is needed for a better comprehension of the underlying physics. Measured spectra from imploding Ar-doped D_{2}-fil
Externí odkaz:
https://doaj.org/article/07427fbebeb44e89bf0bcc6efd4752db