Isaac Ghebregziabher
Isaac Ghebregziabher
Mechanical and Nuclear Engineering, The Pennsylvania State University,PA
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Quasi-monoenergetic and tunable X-rays from a laser-driven Compton light source
ND Powers, I Ghebregziabher, G Golovin, C Liu, S Chen, S Banerjee, ...
Nature Photonics 8 (1), 28-31, 2014
MeV-energy X rays from inverse Compton scattering with laser-wakefield accelerated electrons
S Chen, ND Powers, I Ghebregziabher, CM Maharjan, C Liu, G Golovin, ...
Physical review letters 110 (15), 155003, 2013
Spectral bandwidth reduction of Thomson scattered light by pulse chirping
I Ghebregziabher, BA Shadwick, D Umstadter
Physical Review Special Topics-Accelerators and Beams 16 (3), 030705, 2013
Stable, tunable, quasimonoenergetic electron beams produced in a laser wakefield near the threshold for self-injection
S Banerjee, SY Kalmykov, ND Powers, G Golovin, V Ramanathan, ...
Physical Review Special Topics-Accelerators and Beams 16 (3), 031302, 2013
Emergence from nonrelativistic strong-field rescattering to ultrastrong-field laser-atom physics: A semiclassical analysis
S Palaniyappan, I Ghebregziabher, A DiChiara, J MacDonald, BC Walker
Physical Review A 74 (3), 033403, 2006
Generation of tunable, 100–800 MeV quasi-monoenergetic electron beams from a laser-wakefield accelerator in the blowout regime
S Banerjee, ND Powers, V Ramanathan, I Ghebregziabher, KJ Brown, ...
Physics of Plasmas 19 (5), 056703, 2012
Relativistic MeV Photoelectrons from the Single Atom Response of Argon to a Laser Field
AD DiChiara, I Ghebregziabher, R Sauer, J Waesche, S Palaniyappan, ...
Physical review letters 101 (17), 173002, 2008
Ionization of methane in strong and ultrastrong relativistic fields
S Palaniyappan, R Mitchell, R Sauer, I Ghebregziabher, SL White, ...
Physical review letters 100 (18), 183001, 2008
Multielectron ultrastrong laser field ionization of Arn+, Krm+ and Xel+ (n⩽ 9, m⩽ 9, l⩽ 12) at intensities from 1015 W cm− 2 to 1018 W cm− 2
S Palaniyappan, A DiChiara, I Ghebregziabher, EL Huskins, A Falkowski, ...
Journal of Physics B: Atomic, Molecular and Optical Physics 39 (13), S357, 2006
Standoff detection of uranium and its isotopes by femtosecond filament laser ablation molecular isotopic spectrometry
KC Hartig, I Ghebregziabher, I Jovanovic
Scientific reports 7 (1), 1-9, 2017
Adaptive-feedback spectral-phase control for interactions with transform-limited ultrashort high-power laser pulses
C Liu, J Zhang, S Chen, G Golovin, S Banerjee, B Zhao, N Powers, ...
Optics letters 39 (1), 80-83, 2014
Repetitive petawatt-class laser with near-diffraction-limited focal spot and transform-limited pulse duration
C Liu, S Banerjee, J Zhang, S Chen, K Brown, J Mills, N Powers, B Zhao, ...
Solid State Lasers XXII: Technology and Devices 8599, 859919, 2013
Photoionization by an ultraintense laser field: Response of atomic xenon
AD DiChiara, I Ghebregziabher, JM Waesche, T Stanev, N Ekanayake, ...
Physical Review A 81 (4), 043417, 2010
Electron momentum states and bremsstrahlung radiation from the ultraintense field ionization of atoms
EA Chowdhury, I Ghebregziabher, J MacDonald, BC Walker
Optics Express 12 (17), 3911-3920, 2004
Larmor radiation from the ultra-intense field ionization of atoms
EA Chowdhury, I Ghebregziabiher, BC Walker
Journal of Physics B: Atomic, Molecular and Optical Physics 38 (5), 517, 2005
Propagation distance-resolved characteristics of filament-induced copper plasma
I Ghebregziabher, KC Hartig, I Jovanovic
Optics express 24 (5), 5263-5276, 2016
Nat. Photonics 8, 28 (2014)
ND Powers, I Ghebregziabher, G Golovin, C Liu, S Chen, S Banerjee, ...
Effect of focal geometry on radiation from atomic ionization in an ultrastrong and ultrafast laser field
I Ghebregziabher, BC Walker
Physical Review A 76 (2), 023415, 2007
Controlled generation of comb-like electron beams in plasma channels for polychromatic inverse Thomson γ-ray sources
SY Kalmykov, X Davoine, I Ghebregziabher, R Lehe, AF Lifschitz, ...
Plasma Physics and Controlled Fusion 58 (3), 034006, 2016
Selective activation with all-laser-driven Thomson γ-rays
J Silano, HJ Karwowski, S Clarke, S Pozzi, S Banerjee, D Haden, ...
2013 IEEE International Conference on Technologies for Homeland Security …, 2013
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