Ferroelectric plasma sources for NDCX-II and heavy ion drivers

被引：6

作者：

Gilson, E. P. ^{[1
]}

Davidson, R. C. ^{[1
]}

Efthimion, P. C. ^{[1
]}

Kaganovich, I. D. ^{[1
]}

Kwan, J. W. ^{[2
]}

Lidia, S. M. ^{[2
]}

Ni, P. A. ^{[2
]}

Roy, P. K. ^{[2
]}

Seidl, P. A. ^{[2
]}

Waldron, W. L. ^{[2
]}

Barnard, J. J. ^{[3
]}

Friedman, A. ^{[3
]}

机构：

[1] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2014年 / 733卷

关键词：

Plasma sources; Neutralized transport; Beam neutralization;

D O I：

10.1016/j.nima.2013.05.091

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A barium titanate ferroelectric cylindrical plasma source has been developed, tested and delivered for the Neutralized Drift Compression Experiment NDCX-II at Lawrence Berkeley National Laboratory (LBNL). The plasma source design is based on the successful design of the NDCX-I plasma source. A 7 kV pulse applied across the 3.8 mm thick ceramic cylinder wall produces a large polarization surface charge density that leads to breakdown and plasma formation. The plasma that fills the NDCX-II drift section upstream of the final focusing solenoid has a plasma number density exceeding 10(10)) cm(-3) and an electron temperature of several eV. The operating principle of the ferroelectric plasma source are reviewed and a detailed description of the installation plans is presented. The criteria for plasma sources with larger number density will be given, and concepts will be presented for plasma sources for driver applications. Plasma sources for drivers will need to be highly reliable, and operate at several Hz for millions of shots. (C) 2013 Elsevier B.V. All rights reserved

引用

页码：75 / 79

页数：5

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