Theoretical investigation of the isolated attosecond pulse generation by restraining the spatial distribution of high-order harmonic emission
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.09.030
Abstract: Abstract Isolated attosecond pulse (IAP) generation is theoretically investigated by using a few-cycle laser pulse from a two-dimensional model of hydrogen molecular ion. The harmonic spectra from two nuclei of hydrogen molecular ion lead to… read more here.
Keywords: isolated attosecond; attosecond pulse; generation; order harmonic ... See more keywords
Emissions of brilliant attosecond pulse in circular polarization by using inclined lasers
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0057689
Abstract: We propose a practical approach to produce intense circularly polarized (CP) attosecond pulses using inclined linearly polarized (LP) lasers from relativistic plasma mirrors. Due to the dynamics of the plasma surface currents at the radiation… read more here.
Keywords: brilliant attosecond; attosecond pulse; emissions brilliant; attosecond ... See more keywords
Isolated intense half-cycle attosecond pulse generation with orbital angular momentum
Sign Up to like & getrecommendations! Published in 2021 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/abcfdc
Abstract: A relativistic linearly polarized Laguerre–Gaussian (LG) laser pulse interacting with a combination of gas plasma and an oblique foil target is proposed to generate an intense attosecond pulse carrying large orbital angular momentum (OAM). The… read more here.
Keywords: half cycle; cycle attosecond; attosecond pulse; attosecond ... See more keywords
Effect of pulse duration on generation of attosecond pulse with coherent wake emission
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abf4be
Abstract: High-order harmonics and attosecond pulse generation with coherent wake emission are theoretically investigated for the effect of pulse duration and carrier envelope phase (CEP) of few-cycle laser pulse. We find that short pulse duration will… read more here.
Keywords: attosecond pulse; harmonics; pulse duration; coherent wake ... See more keywords
Enhancement of isolated attosecond pulse generation by using long gas medium
Sign Up to like & getrecommendations! Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac29a8
Abstract: Isolated attosecond pulse generation in argon is theoretically investigated for different gas pressures and medium lengths. The output of attosecond pulse is effectively enhanced by using a longer gas medium with optimized pressure. The peak… read more here.
Keywords: gas; attosecond pulse; gas medium; generation ... See more keywords
Attosecond-pulse formation in the water-window range by an optically dressed hydrogen-like plasma-based C5+ x-ray laser
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.063528
Abstract: In this paper, we present the analytical theory of attosecond pulse formation via optical modulation of an active medium of the hydrogen-like C5+ plasma-based X-ray laser at 3.4 nm wavelength in the "water window" range,… read more here.
Keywords: attosecond pulse; pulse formation; water window; ray laser ... See more keywords
Toward attosecond pulse synthesis from solids: Spectral shaping, field autocorrelation, and two-color harmonic generation
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.99.033836
Abstract: Harmonic generation from solid surfaces is a promising tool for producing high energy attosecond pulses. We report shaping of the harmonic spectrum to achieve the bandwidth necessary for attosecond pulse generation. The shaping is demonstrated… read more here.
Keywords: generation; harmonic generation; field autocorrelation; attosecond ... See more keywords
Ultrafast response of cubic silicon carbide to intense attosecond pulse light
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.064103
Abstract: In this paper we are motivated to numerically investigate the fundamental strong-field and attosecond response processes in wide band-gap solids, using the first-principle approach based on time-dependent density functional theory, advancing our understanding of fundamental… read more here.
Keywords: pulse light; cubic silicon; silicon carbide; pulse ... See more keywords
Generation of the high-intensity single harmonic energy peak and attosecond pulse by using resonance ionization schemes from atoms and molecules
Sign Up to like & getrecommendations! Published in 2020 at "Modern Physics Letters B"
DOI: 10.1142/s0217984921500226
Abstract: The lower harmonic intensity is still the reason that limits the application of attosecond pulse. Thus, in this paper, on the basis of resonance ionization schemes, we propose the effective methods... read more here.
Keywords: attosecond pulse; resonance ionization; intensity; ionization schemes ... See more keywords
Characterizing carrier envelope phase of an isolated attosecond pulse with annular photoionization momentum spectra
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Optics Letters"
DOI: 10.3788/col201715.110201
Abstract: The carrier envelope phase (CEP) has a direct impact on the physical properties of an isolated attosecond pulse (IAP) and many strong field processes, but it is difficult to measure in reality. Aiming at obtaining… read more here.
Keywords: isolated attosecond; attosecond pulse; momentum spectra; momentum ... See more keywords