Laser-induced alignment dynamics of gas phase CS2 dimers

2020 ◽  
Vol 22 (6) ◽  
pp. 3245-3253 ◽  
Author(s):  
Adam S. Chatterley ◽  
Mia O. Baatrup ◽  
Constant A. Schouder ◽  
Henrik Stapelfeldt

Rotational dynamics of gas phase carbon disulfide (CS2) dimers were induced by a moderately intense, circularly polarized alignment laser pulse and measured as a function of time by Coulomb explosion imaging with an intense fs probe pulse.

Photonics ◽  
2021 ◽  
Vol 8 (9) ◽  
pp. 378
Author(s):  
Emmanouil Vassakis ◽  
Ioannis Orfanos ◽  
Ioannis Liontos ◽  
Emmanouil Skantzakis

In this study, the generation of energetic coherent extreme ultraviolet (XUV) radiation with the potential for controlled polarization is reported. The XUV radiation results from the process of high harmonic generation (HHG) in a gas phase atomic medium, driven by an intense two-color circularly polarized counter-rotating laser field, under loose focusing geometry conditions. The energy of the XUV radiation emitted per laser pulse is found to be of the order of ~100 nJ with the spectrum spanning from 17 to 26 eV. The demonstrated energy values (along with tight XUV focusing geometries) are sufficient to induce nonlinear processes. Our results challenge current perspectives regarding ultrafast investigations of chiral phenomena in the XUV spectral region.


2004 ◽  
Vol 25 (4) ◽  
pp. 587-591 ◽  
Author(s):  
Radmila Tomovska ◽  
Markéta Urbanová ◽  
Radek Fajgar ◽  
Zdeněk Bastl ◽  
Jan Šubrt ◽  
...  
Keyword(s):  

2001 ◽  
Vol 19 (1) ◽  
pp. 133-136 ◽  
Author(s):  
I. KOSTYUKOV ◽  
G. SHVETS ◽  
N.J. FISCH ◽  
J.M. RAX

Interaction between energetic electrons and a circularly polarized laser pulse in a relativistic plasma channel is studied. Laser radiation can be resonantly absorbed by electrons executing betatron oscillations in the channel and absorbing angular momentum from the laser. The absorbed angular momentum manifests itself as a strong axial magnetic field (inverse Faraday effect). The magnitude of this magnetic field is calculated and related to the amount of the absorbed energy.


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