Matches in SemOpenAlex for { <https://semopenalex.org/work/W2027527205> ?p ?o ?g. }
- W2027527205 abstract "We present an efficient method to generate a ultrashort attosecond (as) pulse when a model ${text{He}}^{+}$ ion is exposed to the combination of an intense few-cycle chirped laser pulse and its 27th harmonics. By solving the time-dependent Schrodinger equation, we found that high-order harmonic generation (HHG) from ${text{He}}^{+}$ ion is enhanced by seven orders of magnitude due to the presence of the harmonic pulse. After optimizing the chirp of the fundamental pulse, we show that the cut-off energy of the generated harmonics is extended effectively to ${I}_{p}+25.5{U}_{p}$. As a result, an isolated 26-as pulse with a bandwidth of 170.5 eV can be obtained directly from the supercontinuum around the cut-off of HHG. To better understand the physical origin of HHG enhancement and attosecond pulse emission, we perform semiclassical simulations and analyze the time-frequency characteristics of attosecond pulse." @default.
- W2027527205 created "2016-06-24" @default.
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- W2027527205 date "2009-11-23" @default.
- W2027527205 modified "2023-10-05" @default.
- W2027527205 title "Isolated sub-30-as pulse generation of an<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msup><mml:mrow><mml:mtext>He</mml:mtext></mml:mrow><mml:mo>+</mml:mo></mml:msup></mml:mrow></mml:math>ion by an intense few-cycle chirped laser and its high-order harmonic pulses" @default.
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- W2027527205 doi "https://doi.org/10.1103/physreva.80.053825" @default.
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