High-order harmonic generation of benzene molecules irradiated by circularly polarized laser pulses
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2021.111147
Abstract: Abstract High-order harmonic generation is investigated by using time-dependent density functional theory to numerically simulate the interaction of the benzene molecule with a few-cycle circularly polarized laser pulse. Compared with the harmonics from atoms and… read more here.
Keywords: benzene; generation; harmonic generation; laser ... See more keywords
Generation of wavelength tunable single-order harmonic via chirp gating modulation
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2019.04.013
Abstract: Abstract A potential method to select and generate a single-order harmonic has been proposed and investigated via the waveform control of a frequency-chirping two-color field. It is found that with the combination of two-color chirped… read more here.
Keywords: wavelength tunable; single order; tunable single; generation wavelength ... See more keywords
Inhomogeneous waveform optimization to generate high order harmonic spectra
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2020.138254
Abstract: Abstract With the combination of the time and space waveform optimization method, the optimal waveforms of the positive and negative inhomogeneous 3-color laser pulse have been found to produce the high order harmonic spectra. The… read more here.
Keywords: order harmonic; waveform optimization; high order; harmonic spectra ... See more keywords
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
Attosecond twisted beams from high-order harmonic generation driven by optical vortices
Sign Up to like & getrecommendations! Published in 2017 at "High Power Laser Science and Engineering"
DOI: 10.1017/hpl.2017.1
Abstract: Optical vortices are structures of the electromagnetic field with a spiral phase ramp about a point-phase singularity, carrying orbital angular momentum (OAM). Recently, OAM has been imprinted to short-wavelength radiation through high-order harmonic generation (HHG),… read more here.
Keywords: harmonic generation; attosecond twisted; order harmonic; high order ... See more keywords
In situ ptychographic measurements of high-order harmonic sources from plasma mirrors: A theoretical and numerical study
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5002523
Abstract: Measuring the spatial properties of high-order harmonic beams produced by high-intensity laser-matter interactions directly in the target plane is very challenging due to the extreme physical conditions at stake in the interaction area. A measurement… read more here.
Keywords: situ ptychographic; plasma mirrors; ptychographic measurements; order harmonic ... See more keywords
Time-dependent optimization of laser-produced molecular plasmas through high-order harmonic generation
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5123244
Abstract: Analysis and characterization of laser-produced plasmas (LPPs) require the advanced methods for determination of different multiparticle component formation and spreading. Time-resolved high-order harmonic generation (HHG) in spreading LPPs allows determining optimal conditions for this process.… read more here.
Keywords: plasmas; harmonic generation; order harmonic; laser produced ... See more keywords
Study of high-order harmonic generation in xenon based on time-dependent density-functional theory
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abe8a9
Abstract: The high-order harmonic generation (HHG) in xenon is studied by using the time-dependent density-functional theory. The dynamics of all electrons on the outer 4th and 5th atomic shells is considered with subsequent separation of contributions… read more here.
Keywords: order; harmonic generation; order harmonic; high order ... See more keywords
Role of potential on high-order harmonic generation from atoms irradiated by bichromatic counter-rotating circularly polarized laser fields
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ab961c
Abstract: We investigated high-order harmonic generation from atom irradiated by a bichromatic counter-rotating circularly polarized laser pulse by numerically solving the time-dependent Schrödinger equation. It is found that, the minimum energy position of the harmonic spectrum… read more here.
Keywords: order; circularly polarized; harmonic generation; irradiated bichromatic ... See more keywords
High-order harmonic generation from H2+ irradiated by a co-rotating two-color circularly polarized laser field
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.063428
Abstract: The high-order harmonic generation process of ${\mathrm{H}}_{2}{}^{+}$ in a co-rotating two-color circularly polarized laser pulse was investigated by numerically solving the time-dependent Schr\"odinger equation. Compared with the target of the atom, the harmonic intensity of… read more here.
Keywords: order; rotating two; harmonic generation; two color ... See more keywords
High-order harmonic generation by bi-elliptical orthogonally polarized two-color fields
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.023107
Abstract: Based on the strong-field approximation, we report results for high-order harmonic generation by bi-elliptical orthogonally polarized two-color (BEOTC) fields with frequency ratios of 2:1 and 3:1 and fundamental wavelengths of 800 and 1800 nm. A… read more here.
Keywords: order; field; two color; order harmonic ... See more keywords