Precise Access to the Molecular-Frame Complex Recombination Dipole through High-Harmonic Spectroscopy

S. B. Schoun 1, 2 A. Camper 1, 2 P. Salières 3, 4 R. R. Lucchese 5 P. Agostini 1, 2 L. F. Dimauro 1, 2
1 OSU - Ohio State University [Columbus]
2 Department of Physics
3 ATTO - Attophysique
IRAMIS - Institut Rayonnement Matière de Saclay, LIDyl - Laboratoire Interactions, Dynamique et Lasers (ex SPAM)
4 LIDyl - Laboratoire Interactions, Dynamique et Lasers (ex SPAM)
5 Department of Chemistry, Texas University
Abstract : We report on spectral intensity and group delay measurements of the highest-occupied molecular-orbital (HOMO) recombination dipole moment of N2 in the molecular-frame using high harmonic spectroscopy. We take advantage of the long-wavelength 1.3 μm driving laser to isolate the HOMO in the near threshold region, 19–67 eV. The precision of our group delay measurements reveals previously unseen angleresolved spectral features associated with autoionizing resonances, and allows quantitative comparison with cutting-edge correlated 8-channel photoionization dipole moment calculations.
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Article dans une revue
Physical Review Letters, American Physical Society, 2017, 118, pp.033201. 〈10.1103/PhysRevLett.118.033201〉
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https://hal-cea.archives-ouvertes.fr/cea-01442332
Contributeur : Caroline Lebe <>
Soumis le : vendredi 20 janvier 2017 - 15:36:21
Dernière modification le : jeudi 15 mars 2018 - 15:06:34

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CEA | DSM-IRAMIS | IRAMIS-LIDYL | UNIV-PARIS-SACLAY | CEA-DRF | CEA-UPSAY

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S. B. Schoun, A. Camper, P. Salières, R. R. Lucchese, P. Agostini, et al.. Precise Access to the Molecular-Frame Complex Recombination Dipole through High-Harmonic Spectroscopy. Physical Review Letters, American Physical Society, 2017, 118, pp.033201. 〈10.1103/PhysRevLett.118.033201〉. 〈cea-01442332〉

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