Title

N2 Homo-1 Orbital Cross Section Revealed Through High-Order-Harmonic Generation

Abstract

We measure multi-orbital contributions to high harmonic generation from aligned nitrogen. We show that the change in revival structure in the cutoff harmonics has a counterpart in the angular distribution when a lower-lying orbital contributes to the harmonic yield. This angular distribution is directly observed in the laboratory without any further deconvolution. Because of the high degree of alignment we are able to distinguish angular contributions of the highest occupied molecular orbital 1 (HOMO-1) orbital from angle-dependent spectroscopic features of the HOMO. In particular, we are able to make a direct comparison with the cross section of the HOMO-1 orbital in the extreme ultraviolet region.

Publication Date

3-20-2017

Publication Title

Physical Review A

Volume

95

Issue

3

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1103/PhysRevA.95.033419

Socpus ID

85016150520 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85016150520

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