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Spatially resolved high-resolution x-ray spectroscopy of high-current plasma-focus dischargesa)
a)Contributed paper, published as part of the Proceedings of the 18th Topical Conference on High-Temperature Plasma Diagnostics, Wildwood, New Jersey, May 2010.
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic diagram of the x-ray focusing spectrometer with spatial resolution in axial direction based on spherically bent crystal.

Image of FIG. 2.
FIG. 2.

X-ray spectrogram representing characteristics (Ar and Cu) and continua of radiation emitted in plasma-focus PF-1000 (left hand side) and MCP images registered for two selected times with the Be and Al filters, respectively (right hand side).

Image of FIG. 3.
FIG. 3.

Comparison of the experimental He- line to the Li-like satellite intensity ratios with theoretical values obtained from the NLTE collisional-radiative model for different electron beam fractions as a function of the electron temperature (Ref. 11).

Image of FIG. 4.
FIG. 4.

High resolution spectra induced in the plasma at different distances from the anode first region as a function of the Bragg angle.

Image of FIG. 5.
FIG. 5.

The comparison of the experimental spectra obtained for the hot spots situated in the second and third region of the pinch with the simulated spectrum (, , and ).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatially resolved high-resolution x-ray spectroscopy of high-current plasma-focus dischargesa)