Physics – Optics
Scientific paper
2011-09-16
Physics
Optics
14 pages, 4 figures
Scientific paper
We report on the generation of intense extreme ultraviolet (EUV) supercontinuum with photon energies spanning from 35 eV to 50 eV (i. e., supporting an isolated attosecond pulse with a duration of ~271 as) by loosely focusing 35 fs, 11 mJ pulses from a femtosecond laser amplifier into a 10-mm long gas cell filled with krypton gas. The dramatic change of spectral and temporal properties of the driver pulses after passing through the gas cell indicates that propagation effects play a significant role in promoting the generation of the EUV supercontinuum.
Cheng Ya
Chu Wei
Li Guihua
Ni Jielei
Xu Zhizhan
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