O. Jäckel,
J. Polz,
S. M. Pfotenhauer,
H. Schlenvoigt,
H. Schwörer,
and M.C. Kaluza
All-optical measurement of the hot electron sheath driving laser ion acceleration from thin foils
New J. Phys., 12 :103027 (October 2010)
All-optical measurement of the hot electron sheath driving laser ion acceleration from thin foils
New J. Phys., 12 :103027 (October 2010)
Abstract:
We present experimental results from an all-optical diagnostic method to directly measure the evolution of the hot-electron distribution driving the acceleration of ions from thin foils using high-intensity lasers. Central parameters of laser ion acceleration such as the hot-electron density, the temperature distribution and the conversion efficiency from laser pulse energy into hot electrons become comprehensively accessible with this technique.