JETP Letters: issues online

$The ultradense plasma of an exploding wire has been studied by a new method of monochromatic x-ray probing. This method makes it possible to obtain shadow images of bright plasma objects in individual spectral lines at a high spatial resolution. The method also relaxes the requirements on the radiation source. The method uses x-ray elements with mica crystals bent to a spherical surface shape with a radius of 100-250 mm. Images of the explosion of an aluminum wire have been obtained in the \s2-\s3p spectral line (λ = 6.6343 A) of the He-like ion ΑΙ XII. The experimental results confirm that there is a low-density plasma corona, which arises in the initial stage of the discharge through the wire, and that there is also a dense core, which exists at the axis of the pinch during the discharge. © 1995 American Institute of Physics.$

The ultradense plasma of an exploding wire has been studied by a new method of monochromatic x-ray probing. This method makes it possible to obtain shadow images of bright plasma objects in individual spectral lines at a high spatial resolution. The method also relaxes the requirements on the radiation source. The method uses x-ray elements with mica crystals bent to a spherical surface shape with a radius of 100-250 mm. Images of the explosion of an aluminum wire have been obtained in the \s²-\s3p spectral line (λ = 6.6343 A) of the He-like ion ΑΙ XII. The experimental results confirm that there is a low-density plasma corona, which arises in the initial stage of the discharge through the wire, and that there is also a dense core, which exists at the axis of the pinch during the discharge. © 1995 American Institute of Physics.