Small-sized vacuum-arc-discharge x-ray radiograph

A. G. Russkikh, A. V. Shishlov, A. S. Zhigalin, V. I. Oreshkin, S. A. Chaikovaskii, R. B. Baksht

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Experiments were performed aimed at developing a plasma soft-x-ray source of small spatial dimensions. Radiating hot plasma was produced on compression of a metal vapor by a current pulse with amplitude Im = 215 kA and rise time Tr = 200 ns. The metal vapor jet was generated by initiating a vacuum arc discharge (Im = 8.5 kA, Tr = 6 νs) with an aluminum, tin, copper or iron cathode. Due to the small longitudinal dimension of the compressed Z-pinch, a single flash of soft x-rays was detected in the electrode gap. The least spatial dimensions of the radiating region were attained for aluminum and tin vapor pinches. When tin vapor was used, the diameter of the radiating region was 7 2 νm and its height was 17 2 νm. The x-ray pulse FWHM was 2-3 ns. The radiation power in the spectral range 1.56-1.9 keV was 10-15 MW for the aluminum vapor pinch and 5-10 MW for the tin vapor pinch.

Original languageEnglish
Article number035011
JournalPlasma Sources Science and Technology
Volume20
Issue number3
DOIs
Publication statusPublished - Jun 2011
Externally publishedYes

Fingerprint

arc discharges
tin
vapors
vacuum
metal vapors
aluminum
x rays
vapor jets
x ray sources
high temperature plasmas
pulses
flash
cathodes
iron
copper
electrodes
radiation

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Small-sized vacuum-arc-discharge x-ray radiograph. / Russkikh, A. G.; Shishlov, A. V.; Zhigalin, A. S.; Oreshkin, V. I.; Chaikovaskii, S. A.; Baksht, R. B.

In: Plasma Sources Science and Technology, Vol. 20, No. 3, 035011, 06.2011.

Research output: Contribution to journalArticle

Russkikh, A. G. ; Shishlov, A. V. ; Zhigalin, A. S. ; Oreshkin, V. I. ; Chaikovaskii, S. A. ; Baksht, R. B. / Small-sized vacuum-arc-discharge x-ray radiograph. In: Plasma Sources Science and Technology. 2011 ; Vol. 20, No. 3.
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