HELIOS—A laboratory based on high-order harmonic generation of extreme ultraviolet photons for time-resolved spectroscopy

2015 ◽  
Vol 86 (12) ◽  
pp. 123107 ◽  
Author(s):  
S. Plogmaker ◽  
J. A. Terschlüsen ◽  
N. Krebs ◽  
M. Svanqvist ◽  
J. Forsberg ◽  
...  
2016 ◽  
Vol 94 (7) ◽  
pp. 651-658 ◽  
Author(s):  
Liqiang Feng ◽  
Hang Liu

High-order harmonic generation and attosecond extreme-ultraviolet source generation have been theoretically investigated by controlling the two-color polarized gating field combined with the unipolar pulse. The results show that by properly optimizing the polarized two-color field as well as the unipolar pulse, not only is the harmonic cutoff remarkably extended, but the single short quantum path has also been selected to contribute to the harmonic spectrum, resulting in a 313 eV less modulated supercontinuum. Classical and quantum analyses are shown to explain the harmonic emission process. Finally, the proper superposition of harmonics, a series of isolated sub-50 as pulses, can be obtained.


2006 ◽  
Author(s):  
N. Brimhall ◽  
J. C. Painter ◽  
M. Turner ◽  
S. V. Voronov ◽  
R. S. Turley ◽  
...  

2014 ◽  
Vol 488 (1) ◽  
pp. 012019
Author(s):  
D E Laban ◽  
A J Palmer ◽  
W C Wallace ◽  
N S Gaffney ◽  
R P M J W Notermans ◽  
...  

2013 ◽  
Vol 31 (2) ◽  
pp. 219-227 ◽  
Author(s):  
P.W. Wachulak ◽  
L. Wegrzynski ◽  
A. Bartnik ◽  
T. Fok ◽  
R. Jarocki ◽  
...  

AbstractCharacterization measurements and modes of operation of a novel, dual-gas multi-jet target, developed for experiments on high-order harmonic generation, are presented. The target has been formed by pulsed injection of argon through a nozzle in a form of linearly oriented small orifices. The argon jets were separated with the helium jets formed by injection of helium through alternate orifices in the nozzle. The targets have been characterized by extreme ultraviolet backlighting at 13.5 nm wavelength. Density profiles for this type of targets have been obtained, to our knowledge, for the first time.


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