TY - JOUR AU - Pérez-Hernández, José Antonio AU - Roso Franco, Luis AU - Zaïr, A. AU - Plaja Rustein, Luis PY - 2011 UR - http://hdl.handle.net/10366/146048 AB - We study the process of high-order harmonic generation using laser pulses with non-adiabatic turn-on and intensities well above saturation. As a main point, we report the existence of a valley structure in the efficiency of single-atom high-order... LA - eng KW - High harmonic generation KW - High power lasers KW - Infrared lasers KW - Magnetic fields KW - Phase matching KW - Ultrashort pulses TI - Valley in the efficiency of the high-order harmonic yield at ultra-high laser intensities DO - 10.1364/OE.19.019430 T2 - Optics Express VL - 19 M2 - 19430 ER -