Role of fractional high harmonics with non-integer OAM on the generation of a helical attosecond pulse train.
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DOI: 10.1364/oe.479226
Abstract: Extreme-ultraviolet pulses of attosecond duration carrying orbital angular momentum (OAM) can be produced by spectrally filtering vortex high harmonics generated in a gas medium. Here we reveal that fractional high harmonics (FHHs) with non-integer OAM… read more here.
Keywords: fractional high; helical attosecond; non integer; high harmonics ... See more keywords