Title :
Breakdown of dipole approximation in strong field ionization
Author :
Popmintchev, Dimitar ; Hernandez-Garcias, Carlos ; Bonggu Shim ; Ming-Chang Chen ; Dollar, F. ; Mancuso, C. ; PeÌrez-Hernandez, Jose A. ; Xiaohui Gao ; Hankla, Amelia ; Gaeta, Alexander ; Tarazkar, Maryam ; Romanov, Dmitri ; Levis, Robert ; Jaron-Becker,
Author_Institution :
JILA, Univ. of Colorado at Boulder, Boulder, CO, USA
Abstract :
We present a new regime of UV-driven high harmonic generation, where the larger refractive index of ions counterbalances the plasma dispersion. Bright harmonic emission from ions is observed for the first time that extends up to 280 eV.
Keywords :
brightness; optical harmonic generation; optical windows; refractive index; ultraviolet spectra; UV-driven high harmonic generation; bright high order harmonic generation; electron volt energy 280 eV; multiply ionized plasma dispersion; refractive index; water window; Atom lasers; Atomic beams; Frequency conversion; Harmonic analysis; Ions; X-ray lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
