Temporal and spatial measurements of plasma electron-density from linear-stark broadening of Dβ (486 nm) in PF-1000 experiment

被引：4

作者：

Skladnik-Sadowska, E. ^{[1
]}

Malinowski, K.

Sadowski, M. J.

Kubes, P.

Scholz, M.

Paduch, M.

Karpinski, L.

Marchenko, A.

Tsarenko, A.

机构：

[1] Andrzej Soltan Inst Nucl Studies, PL-05400 Otwock, Poland

[2] Czech Tech Univ, Prague 16627 6, Czech Republic

[3] Inst Plasma Phys & Laser Microfus, PL-00908 Warsaw, Poland

[4] NSC KIPT, Inst Plasma Phys, UA-61108 Kharkov, Ukraine

来源：

CZECHOSLOVAK JOURNAL OF PHYSICS | 2006年 / 56卷

关键词：

VR spectra; plasma focus; Stark-effect; continuum intensity; X-ray imaging;

D O I：

10.1007/s10582-006-0226-z

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The paper reports spectroscopic studies of high-current PF-type discharges. Experiments within the large PF-1000 facility (operated at IPPLM in Warsaw) were aimed on temporal and spatial measurements of the plasma electron density by spectroscopic methods. To study visible-radiation (VR) emission characteristics of various PF-discharges a MECHELLE (R) 900-type spectrometer was used. Measurements were performed at different distances from the electrode outlet. The linear Stark broadening of deuterium Balmer lines, and particularly that of the D-beta (486 nm) line, was used to estimate the electron-concentration during and after the PF-pinch phase. Particular attention was paid to a dense-pinch portion at a distance of 8 cm from the electrode ends. The formation of this dense plasma region was also confirmed by images taken with fast X-ray and VR-cameras.

引用

页码：B383 / B388

页数：6