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XUV interferometry using high-order harmonics: Application to plasma diagnostics

Published online by Cambridge University Press:  30 July 2001

J.-F. HERGOTT ,
P. SALIÈRES ,
H. MERDJI ,
L. LE DÉROFF ,
B. CARRÉ ,
T. AUGUSTE ,
P. MONOT ,
P. D'OLIVEIRA ,
D. DESCAMPS  and
J. NORIN
...Show all authors
J.-F. HERGOTT
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
P. SALIÈRES
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
H. MERDJI
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
L. LE DÉROFF
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
B. CARRÉ
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
T. AUGUSTE
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
P. MONOT
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
P. D'OLIVEIRA
Affiliation:
Service des Photons, Atomes et Molécules, CEA-DSM-DRECAM, Centre de Saclay, 91191 Gif-sur-Yvette, France
D. DESCAMPS
Affiliation:
Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
J. NORIN
Affiliation:
Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
C. LYNGÅ
Affiliation:
Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
A. L'HUILLIER
Affiliation:
Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
C.-G. WAHLSTRÖM
Affiliation:
Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
M. BELLINI
Affiliation:
L.E.N.S., Largo E. Fermi, 2, I-50125 Florence, Italy
S. HULLER
Affiliation:
Centre de Physique Théorique, CNRS, Ecole Polytechnique, 91128 Palaiseau, France
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Abstract

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In this paper, we present and compare the two different XUV interferometric techniques using high-order harmonics that have been developed so far. The first scheme is based on the interference between two spatially separated phase-locked harmonic sources while the second uses two temporally separated harmonic sources. These techniques have been applied to plasma diagnostics in feasibility experiments where electron densities up to a few 1020 e−/cm3 have been measured with a temporal resolution of 200 fs. We present the main characteristics of each technique and discuss their respective potentials and limitations.

Type
Research Article
Information
Laser and Particle Beams , Volume 19 , Issue 1 , January 2001 , pp. 35 - 40
Copyright
© 2001 Cambridge University Press