Generation of Near‐Circularly Polarized Attosecond Pulse with Tunable Helicity by Unidirectionally Rotating Laser Field
Sign Up to like & getrecommendations! Published in 2020 at "Annalen der Physik"
DOI: 10.1002/andp.201900570
Abstract: A method to produce circularly polarized attosecond pulses with tunable helicity from CO molecule by using an unidirectionally rotating laser field is proposed. It is found that broadband harmonic supercontinuum with circular polarization can be… read more here.
Keywords: unidirectionally rotating; attosecond; polarized attosecond; tunable helicity ... See more keywords
Interferometric attosecond lock-in measurement of extreme-ultraviolet circular dichroism
Sign Up to like & getrecommendations! Published in 2019 at "Nature Photonics"
DOI: 10.1038/s41566-019-0350-5
Abstract: Probing the vectorial properties of light–matter interactions inherently requires control over the polarization state of light. The generation of extreme-ultraviolet attosecond pulses has opened new perspectives in measurements of chiral phenomena. However, limited polarization control… read more here.
Keywords: lock; circular dichroism; extreme ultraviolet; polarization ... See more keywords
Terawatt-scale optical half-cycle attosecond pulses
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21052-2
Abstract: Extreme-ultravoilet (XUV) attosecond pulses with durations of a few tens of attosecond have been successfully applied for exploring ultrafast electron dynamics at the atomic scale. But their weak intensities limit the further application in demonstrating… read more here.
Keywords: half cycle; cycle attosecond; attosecond; cycle ... See more keywords
Attosecond physics hidden in Cherenkov radiation
Sign Up to like & getrecommendations! Published in 2024 at "Communications Physics"
DOI: 10.1038/s42005-025-02108-y
Abstract: Cherenkov radiation of charged particles moving with superluminal velocities in transparent media is a well-studied phenomenon with a plethora of applications. Its microscopic origins can be traced to the polarization of atomic shells, characterized by… read more here.
Keywords: attosecond; time; cherenkov; cherenkov radiation ... See more keywords
Brilliant attosecond γ-ray emission and high-yield positron production from intense laser-irradiated nano-micro array
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0030909
Abstract: We investigate a novel scheme for brilliant attosecond γ-ray emission and high-yield positron production, which is accomplished with an ultra-intense laser pulse incident upon a Nano-Micro-array (NMA) with a substrate incorporated. This scheme is able… read more here.
Keywords: positron; laser; high yield; attosecond ... 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
“Beam à la carte”: Laser heater shaping for attosecond pulses in a multiplexed x-ray free-electron laser
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0233468
Abstract: Electron beam shaping allows the control of the temporal properties of x-ray free-electron laser pulses from femtosecond to attosecond timescales. Here, we demonstrate the use of a laser heater to shape electron bunches and enable… read more here.
Keywords: laser; attosecond; free electron; electron laser ... See more keywords
Isolated circularly polarized attosecond pulse generated by extreme birefringence effect in magnetized plasma
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Plasmas"
DOI: 10.1063/5.0285047
Abstract: We propose a method to generate isolated and circularly polarized (CP) attosecond pulses through the interaction of a relativistic linearly polarized laser pulse with magnetized subcritical density plasma. When the strength of the magnetic field… read more here.
Keywords: laser; attosecond; isolated circularly; polarized 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
Circularly polarized attosecond pulses generation from laser interaction with magnetized sub-critical plasmas
Sign Up to like & getrecommendations! Published in 2023 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/accd1b
Abstract: We propose a method to generate circularly polarized (CP) attosecond pulses by the interactions of a relativistic-intensity right-hand CP laser pulse and magnetized sub-critical plasma. It is theoretically and numerically demonstrated that when an external… read more here.
Keywords: laser; sub critical; attosecond; polarized attosecond ... See more keywords
Corrigendum: Generation of high-quality GeV-class electron beams utilizing attosecond ionization injection (2021 New J. Phys. 23 043016)
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abfb8b
Abstract: Acceleration of electrons in laser-driven plasma wakefields has been extended up to the ∼8 GeV energy within a distance of tens of centimeters. However, in applications, requiring small energy spread within the electron bunch, only… read more here.
Keywords: ionization injection; electron; attosecond; energy ... See more keywords