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Phase-matching effects in strong-field harmonic generation

Balcou, Ph and L'Huillier, Anne LU orcid (1993) In Physical Review A 47(2). p.1447-1459
Abstract

We present experimental results of harmonic generation at 1064 nm using a 36-ps neodymium-doped yttrium aluminum garnet laser tightly focused in a gas jet of xenon. The harmonic yields are studied as a function of the position of the focus in the jet at several laser intensities and as a function of intensity at several focus positions. These results bring information about how the high harmonics are phase matched in the medium and also about the single-atom dynamics of the process. The harmonic yields as a function of the position of the focus in the jet exhibit regular oscillations that are due to the interference effects inherent to the generation of harmonics in the nonlinear medium. The intensity dependences present structures that... (More)

We present experimental results of harmonic generation at 1064 nm using a 36-ps neodymium-doped yttrium aluminum garnet laser tightly focused in a gas jet of xenon. The harmonic yields are studied as a function of the position of the focus in the jet at several laser intensities and as a function of intensity at several focus positions. These results bring information about how the high harmonics are phase matched in the medium and also about the single-atom dynamics of the process. The harmonic yields as a function of the position of the focus in the jet exhibit regular oscillations that are due to the interference effects inherent to the generation of harmonics in the nonlinear medium. The intensity dependences present structures that we attribute to single-atom resonance effects.

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author
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publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review A
volume
47
issue
2
pages
13 pages
publisher
American Physical Society
external identifiers
  • scopus:0000246567
ISSN
1050-2947
DOI
10.1103/PhysRevA.47.1447
language
English
LU publication?
no
id
602d84b5-7edb-4ac2-a7fa-620b97088d67
date added to LUP
2019-05-22 16:06:47
date last changed
2021-08-01 04:32:44
@article{602d84b5-7edb-4ac2-a7fa-620b97088d67,
  abstract     = {{<p>We present experimental results of harmonic generation at 1064 nm using a 36-ps neodymium-doped yttrium aluminum garnet laser tightly focused in a gas jet of xenon. The harmonic yields are studied as a function of the position of the focus in the jet at several laser intensities and as a function of intensity at several focus positions. These results bring information about how the high harmonics are phase matched in the medium and also about the single-atom dynamics of the process. The harmonic yields as a function of the position of the focus in the jet exhibit regular oscillations that are due to the interference effects inherent to the generation of harmonics in the nonlinear medium. The intensity dependences present structures that we attribute to single-atom resonance effects.</p>}},
  author       = {{Balcou, Ph and L'Huillier, Anne}},
  issn         = {{1050-2947}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{2}},
  pages        = {{1447--1459}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review A}},
  title        = {{Phase-matching effects in strong-field harmonic generation}},
  url          = {{http://dx.doi.org/10.1103/PhysRevA.47.1447}},
  doi          = {{10.1103/PhysRevA.47.1447}},
  volume       = {{47}},
  year         = {{1993}},
}