Experimental and theoretical investigation of the Preglow in ECRIS

被引：28

作者：

Izotov, Ivan V. ^{[1
]}

Sidorov, Alexander V. ^{[1
]}

Skalyga, Vadim A. ^{[1
]}

Zorin, Vladimir G. ^{[1
]}

Lamy, Thierry ^{[2
]}

Latrasse, Louis ^{[2
]}

Thuillier, Thomas ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[2] Univ Grenoble 1, Lab Phys Subatom & Cosmol, CNRS, IN2P3,Inst Natl Polytech Grenoble, F-38026 Grenoble, France

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2008年 / 36卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

cyclotron resonance; gas discharges; ion accelerators; ion sources; ionization; modeling; particle beam bunching; plasma confinement; plasma properties;

D O I：

10.1109/TPS.2008.927292

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The experimental study of the pulsed-mode operation of the PHOENIX-V2 electron cyclotron resonance ion source at 28 GHz has clearly demonstrated, when increasing the repetition rate of the high-frequency power injection at frequencies higher than 1 Hz, the reality of a transient current peak occurring at the very beginning of the plasma discharge. This regime was named Preglow as an explicit reference to the classical Afterglow occurring at the microwave pulse end. After the transient Preglow peak, the plasma regime relaxes to the classical steady-state one. Experimental argon pulses for charge states from 2+ to 8+ are presented. The current observed during the Preglow, peak can reach intensities on the order of 1 mA for low charge states (Ar4+). A zero-dimension theoretical model of electron cyclotron resonance (ECR) gas breakdown in a magnetic trap is presented in detail. Results of the simulation are compared with the experimental Preglow peaks and discussed.

引用

页码：1494 / 1501

页数：8

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