VISIBLE SPECTROSCOPY MEASUREMENTS IN THE PBFA-II ION DIODE

被引：15

作者：

BAILEY, J ^{[1
]}

CARLSON, AL ^{[1
]}

MORRISON, RL ^{[1
]}

MARON, Y ^{[1
]}

机构：

[1] WEIZMANN INST SCI,DEPT PHYS,IL-76100 REHOVOT,ISRAEL

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1990年 / 61卷 / 10期

关键词：

D O I：

10.1063/1.1141686

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe a new visible spectroscopy diagnostic system for measuring plasma properties in the PBFA II applied-B ion diode. The system transports light from the ion diode to a remote screen room where it is recorded by a spectrograph coupled to a streak camera. We developed extensive calibration techniques for measuring the collection efficiency into the fiber link, the effects of the background bremsstrahlung radiation on the fibers, the fiber transmission as a function of wavelength, and the absolute streaked-spectrograph sensitivity as a function of wavelength. We have recorded time-dependent spectral line profiles and intensities from the PBFA II plasma opening switch, the beam-transport gas cell, and the anode plasma. The Stark shift of the LiI 2s-2p transition observed on LiF-anode shots shows that the time-resolved electric field peaks at 7-8 MV/cm, the highest field ever measured using the Stark effect. The potential of these measurements to expand our knowledge of ion-diode physics is being explored.

引用

页码：3075 / 3080

页数：6

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