Cross-channel contributions to vortex patterns in photoionization by a pair of counter-rotating circularly polarized attosecond pulses

2021 ◽  
Vol 133 (3) ◽  
pp. 33001
Author(s):  
Q. Zhen ◽  
S. Q. Zhang ◽  
Z. J. Yang ◽  
X. S. Liu
Keyword(s):  
Circularly Polarized ◽  
Attosecond Pulses ◽  
Vortex Patterns

scholarly journals Controlling polarization of attosecond pulses with plasmonic-enhanced bichromatic counter-rotating circularly polarized fields

2021 ◽  
Author(s):  
Irfana N. Ansari ◽  
Cornelia Hofmann ◽  
Lukas Medisauskas ◽  
Maciej Lewenstein ◽  
Marcelo F. Ciappina ◽  
...  
Keyword(s):  
Circularly Polarized ◽  
Attosecond Pulses

Ultrafast X-ray photoelectron diffraction in triatomic molecules by circularly polarized attosecond light pulses

2020 ◽  
Vol 22 (1) ◽  
pp. 325-336 ◽  
Author(s):  
Kai-Jun Yuan ◽  
André D. Bandrauk
Keyword(s):  
Circularly Polarized ◽  
X Ray ◽  
Triatomic Molecules ◽  
Photoelectron Diffraction ◽  
Light Pulses ◽  
Attosecond Pulses

We theoretically study ultrafast photoelectron diffraction in triatomic molecules with cyclic geometry by ultrafast circular soft X-ray attosecond pulses.

Water window attosecond sources generation by using the multi-cycle time-delay two circularly polarized pulses

2015 ◽  
Vol 29 (23) ◽  
pp. 1550170 ◽  
Author(s):  
Li-Qiang Feng ◽  
Hang Liu
Keyword(s):  
Time Delay ◽  
Cycle Time ◽  
Delay Time ◽  
Harmonic Spectrum ◽  
High Order ◽  
Circularly Polarized ◽  
Water Window ◽  
Attosecond Pulses ◽  
Window Region ◽  
Whole Water

In this paper, a promising scheme is proposed to generate the water window isolated attosecond pulses from the high-order harmonics by using the multi-cycle time-delay two circularly polarized pulses. The results show that with the introduction of delay time of the two pulses, not only the harmonic cutoff is extended, but also the modulation on the harmonic spectrum is suppressed. Especially for the [Formula: see text] nm, [Formula: see text] nm and the [Formula: see text] nm two cases, a 341 eV and a 502 eV supercontinua including the whole water window region are obtained. Finally, by properly superposing the harmonics in the supercontinua regions, a series of sub-34as wavelength-tunable attosecond pulses in the water window region can be obtained.

scholarly journals Controlling polarization of attosecond pulses with plasmonic-enhanced bichromatic counter-rotating circularly polarized fields

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Irfana N. Ansari ◽  
Cornelia Hofmann ◽  
Lukas Medišauskas ◽  
Maciej Lewenstein ◽  
Marcelo F. Ciappina ◽  
...  
Keyword(s):  
Circularly Polarized ◽  
Attosecond Pulses
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