期刊
PHYSICAL REVIEW A
卷 87, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.043818
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资金
- EPSRC [EP/I032517/1]
- EU Marie Curie Initial Training Network FASTQUAST
- Deutsche Forschungsgemeinschaft
- EPSRC [EP/F034601/1, EP/I032517/1, EP/E028063/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [GR/S22400/01, EP/F034601/1, EP/E028063/1, EP/I032517/1] Funding Source: researchfish
Attosecond light pulses within the vacuum ultraviolet (VUV) energy range are predicted by solving the time-dependent Schrodinger equation (TDSE) for a model neon atom in short laser pulses of different field polarization states. We compare high-order harmonic generation in linearly polarized laser pulses to the method of polarization gating and find attosecond pulses that approach the Fourier limit of 700 as given by an indium filter, spectrally centered at 15 eV. At such low energies, harmonic generation has low sensitivity to ellipticity, which enables the generation of elliptically polarized attosecond pulses. We also show that emission at the atomic transition energies is strongly damped by including intensity averaging. DOI: 10.1103/PhysRevA.87.043818
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