James Koga

High-Power<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>-Ray Flash Generation in Ultraintense Laser-Plasma Interactions

Tatsufumi Nakamura, James Koga, T. Zh. Esirkepov et al. · Physical Review Letters · 2012 · 206 citations · Full text

Energy Increase in Multi-MeV Ion Acceleration in the Interaction of a Short Pulse Laser with a Cluster-Gas Target

Yuji Fukuda, A. Ya. Faenov, M. Tampo et al. · Physical Review Letters · 2009 · 200 citations · Full text

Schwinger Limit Attainability with Extreme Power Lasers

S. S. Bulanov, T. Zh. Esirkepov, A. G. R. Thomas et al. · Physical Review Letters · 2010 · 186 citations · Full text

Engineering, Laser Science, Laser-plasma Interaction +16

Radiation Damping Effects on the Interaction of Ultraintense Laser Pulses with an Overdense Plasma

Alexei Zhidkov, James Koga, Akira Sasaki et al. · Physical Review Letters · 2002 · 178 citations

Overdense Plasma, Engineering, Physics +11

Demonstration of Laser-Frequency Upshift by Electron-Density Modulations in a Plasma Wakefield

M. Kando, Y. Fukuda, A. S. Pirozhkov et al. · Physical Review Letters · 2007 · 133 citations · Full text

Electron Density, Laser-frequency Upshift, Engineering +10