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

Stephen B. Schoun | Zendy; A. Camper | Zendy; P. Salières | Zendy; Robert R. Lucchese | Zendy; Pierre Agostini | Zendy; Louis F. DiMauro | Zendy

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

Author(s) -

Stephen B. Schoun,

A. Camper,

P. Salières,

Robert R. Lucchese,

Pierre Agostini,

Louis F. DiMauro

Publication year - 2017

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.118.033201

Subject(s) - photoionization , dipole , physics , spectroscopy , atomic physics , moment (physics) , recombination , harmonic , molecular physics , chemistry , ionization , quantum mechanics , ion , biochemistry , gene

International audienceWe 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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