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Analysis of space-resolved X-ray spectra from laser plasmas

Published online by Cambridge University Press:  13 November 2002

L. LABATE ,
M. GALIMBERTI ,
A. GIULIETTI ,
D. GIULIETTI ,
L.A. GIZZI  and
R. NUMICO
L. LABATE
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy Dipartimento di Fisica, Università di Bologna, Bologna, Italy
M. GALIMBERTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy Dipartimento di Fisica, Università di Pisa and INFM, Unità di Pisa, Italy
A. GIULIETTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy
D. GIULIETTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy Dipartimento di Fisica, Università di Pisa and INFM, Unità di Pisa, Italy
L.A. GIZZI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy
R. NUMICO
Affiliation:
Intense Laser Irradiation Laboratory, IPCF (CNR), Pisa, Italy
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Abstract

High dynamic range, space-resolved X-ray spectra, obtained using a TlAP crystal and a cooled CCD camera as a detector, were used to investigate the electron density and temperature profiles of an aluminum laser plasma with micrometer resolution. The electron density profile retrieved from the measurements is compared with numerical predictions from the two hydrodynamics codes MEDUSA (1D) and POLLUX (2D). It is shown that 2D density profiles can be successfully reproduced by 1D simulations using a spherical geometry with an ad hoc initial radius, leading to similar electron temperature profiles.

Keywords

Laser plasma X-ray emissionPlasma hydrodynamicsX-ray spectroscopy
Type
Research Article
Information
Laser and Particle Beams , Volume 20 , Issue 2 , April 2002 , pp. 223 - 226
Copyright
© 2002 Cambridge University Press

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