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X-ray diagnostics of partially transparent Fe and Al plasmas for inverted corona targets

Published online by Cambridge University Press:  07 March 2001

A.V. BESSARAB ,
S.A. BEL'KOV ,
B.A. VOINOV ,
P.D. GASPARYAN ,
N.V. ZHIDKOV ,
N.V. IVANOV ,
A.V. KUNIN ,
A.N. SUBBOTIN ,
N.A. SUSLOV  and
V.A. TOKAREV
A.V. BESSARAB
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
S.A. BEL'KOV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
B.A. VOINOV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
P.D. GASPARYAN
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
N.V. ZHIDKOV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
N.V. IVANOV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
A.V. KUNIN
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
A.N. SUBBOTIN
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
N.A. SUSLOV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
V.A. TOKAREV
Affiliation:
Russian Federal Nuclear Center—Research Institute of Experimental Physics (VNIIEPh), Mira st. 37 Sarov (Arzamas-16), N.Novgorod reg., 607190, Russia
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Abstract

Spectrum and energy measurements of X-ray radiation emitted by partially transparent Fe and Al plasmas have been carried out for thin-layered inverted-corona targets on the ISKRA-5 laser facility. The targets were plastic spherical (2-mm diam) shells of 4.6 mm thickness having 0.25 mm Fe or 0.65 mm Al thin inner coatings. The energy radiated in Heα and Lyα resonance lines of Fe and Al ions was measured as well. Experimental data and results of numerical calculations are compared. Measured laser light to X-ray conversion coefficient has been found to be essentially low, then calculated one for both Fe and Al coated targets. Possible reasons for this discrepancy are discussed.

Type
ZABABAKHIN SPECIAL PAPERS
Information
Laser and Particle Beams , Volume 18 , Issue 2 , April 2000 , pp. 229 - 236
Copyright
© 2000 Cambridge University Press

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