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Simultaneous x-ray and optical shadowgraphy of cavities heated by λ = 0.44 μm laser light

Published online by Cambridge University Press:  09 March 2009

I. B. Földes ,
R. Sigel ,
Chen Shi-Sheng ,
K. Eidmann ,
R. F. Schmalz ,
G. D. Tsakiris  and
S. Witkowski
I. B. Földes
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
R. Sigel
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
Chen Shi-Sheng
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
K. Eidmann
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
R. F. Schmalz
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
G. D. Tsakiris
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
S. Witkowski
Affiliation:
Max-Planck-Institut für Quantenoptik D-8046 Garching, Fed. Rep. of Germany
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Abstract

Gold cavity targets were irradiated with λ = 0.44 μm laser light at intensities ≤ 2.6 ×1013 W/cm2. The outward motion of the cavity wall was investigated by simultaneous optical and x-ray shadowgraphy. The wall motion is attributed to the pressure generated by an ablative heat wave, driven by the soft x-rays in the cavity. The observed transparency of the cavities for the x-rays used for shadowgraphy allowed the determination of the density profile of the cavity wall which decays possibly due to fragmentation.

Type
Research Article
Information
Laser and Particle Beams , Volume 6 , Issue 2 , May 1988 , pp. 123 - 139
Copyright
Copyright © Cambridge University Press 1988

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