High-order harmonic generation spectroscopy by recolliding electron caustics
Spectral focusing of the recolliding electron in high-order harmonic generation driven by two-color fields is shown to be a powerful tool for isolating and enhancing hidden spectral features of the target under study. In previous works we used this technique for probing multi-electron effects in xen...
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Published in | Journal of physics. B, Atomic, molecular, and optical physics Vol. 51; no. 13; pp. 134002 - 134011 |
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Main Authors | , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
United States
IOP Publishing
05.06.2018
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Subjects | |
Online Access | Get full text |
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Summary: | Spectral focusing of the recolliding electron in high-order harmonic generation driven by two-color fields is shown to be a powerful tool for isolating and enhancing hidden spectral features of the target under study. In previous works we used this technique for probing multi-electron effects in xenon and we compared our experimental results with time-dependent configuration-interaction singles calculations. We demonstrate here that this technique can be exploited for reconstructing the enhancement factor of the xenon giant dipole resonance and we discuss the sensitivity of this method to macroscopic effects. We then extend the technique to argon in order to test the applicability of this procedure to other targets. |
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Bibliography: | JPHYSB-104436.R1 USDOE ITAMP; ELI project-ESFRI Roadmap; ASPIRE / No. 674960; MEDEA / No. 641789; LASERLAB-EUROPE / No. 654148; Starting Research Grant MIDAS / Gra; Starting Research Grant UDYNI; AC02-76SF00515 |
ISSN: | 0953-4075 1361-6455 |
DOI: | 10.1088/1361-6455/aac351 |