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
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
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
All-optical attosecond time domain interferometry
Sign Up to like & getrecommendations! Published in 2020 at "National Science Review"
DOI: 10.1093/nsr/nwaa211
Abstract: Interferometry, a key technique in modern precision measurements, has been used for length measurement in engineering metrology and astronomy. An analogous time-domain interferometric technique would represent a significant complement to spatial domain applications and require… read more here.
Keywords: energy; interferometry; attosecond; time ... See more keywords
Two-color polarization control of angularly resolved attosecond time delays
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.043113
Abstract: Measured photoionization time delays may exhibit large variations as a function of the emission angles, even for spherically symmetric targets, as shown in recent RABBITT (reconstruction of attosecond beating by interference of two-photon transitions) experiments.… read more here.
Keywords: two color; attosecond; angularly resolved; polarization ... 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