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Spatial profiles of high-order harmonics generated by a femtosecond cr:Lisaf laser

Salieres, P. ; Salieres, P. ; Ditmire, T. ; Budil, K. S. ; Perry, M. D. and L’Huillier, Anne LU orcid (1994) In Journal of Physics B: Atomic, Molecular and Optical Physics 27(9). p.217-222
Abstract

We report the angular distributions of high-order harmonic radiation generated in neon and in argon using a 140 fs Cr:LisAF laser system. The profiles show an evolution from Gaussian to near flat-top. No substructure is observed except at the highest intensity in a completely ionized gas. The divergence of the harmonics is found to depend essentially on whether they belong to the plateau or to the cutoff. It is approximately constant in the plateau, of the order of 15 mrad and decreases from 15 mrad to 6 mrad in the cutoff region.

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author
; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics B: Atomic, Molecular and Optical Physics
volume
27
issue
9
pages
6 pages
publisher
IOP Publishing
external identifiers
  • scopus:84868121113
ISSN
0953-4075
DOI
10.1088/0953-4075/27/9/006
language
English
LU publication?
no
id
2187e924-66c0-447e-aa37-6c02995b53d4
date added to LUP
2019-05-22 17:38:18
date last changed
2021-03-21 05:01:56
@article{2187e924-66c0-447e-aa37-6c02995b53d4,
  abstract     = {{<p>We report the angular distributions of high-order harmonic radiation generated in neon and in argon using a 140 fs Cr:LisAF laser system. The profiles show an evolution from Gaussian to near flat-top. No substructure is observed except at the highest intensity in a completely ionized gas. The divergence of the harmonics is found to depend essentially on whether they belong to the plateau or to the cutoff. It is approximately constant in the plateau, of the order of 15 mrad and decreases from 15 mrad to 6 mrad in the cutoff region.</p>}},
  author       = {{Salieres, P. and Salieres, P. and Ditmire, T. and Budil, K. S. and Perry, M. D. and L’Huillier, Anne}},
  issn         = {{0953-4075}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{9}},
  pages        = {{217--222}},
  publisher    = {{IOP Publishing}},
  series       = {{Journal of Physics B: Atomic, Molecular and Optical Physics}},
  title        = {{Spatial profiles of high-order harmonics generated by a femtosecond cr:Lisaf laser}},
  url          = {{http://dx.doi.org/10.1088/0953-4075/27/9/006}},
  doi          = {{10.1088/0953-4075/27/9/006}},
  volume       = {{27}},
  year         = {{1994}},
}