EXPERIMENTAL CHARACTERIZATION OF AN OVERDENSE PLASMA IN A COMPACT ION SOURCE

被引：1

作者：

Castro, G. ^{[1
]}

Mascali, D. ^{[1
]}

Romano, F. P. ^{[1
,2
]}

Altana, C. ^{[1
,3
]}

Caliri, C. ^{[1
,3
]}

Celona, L. ^{[1
]}

Di Giugno, R. ^{[1
,3
]}

Gambino, N. ^{[1
,4
]}

Lanaia, D. ^{[1
,5
]}

Miracoli, R. ^{[1
,6
]}

Musumarra, A. ^{[1
,3
]}

Neri, L. ^{[1
]}

Torrisi, G. ^{[1
,7
]}

Gammino, S. ^{[1
]}

机构：

[1] INFN, Lab Nazl Sud, Via S Sofia 62, I-95123 Catania, Italy

[2] CNR, IBAM, I-95124 Catania, Italy

[3] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy

[4] ETH, Zurich, Switzerland

[5] CERN, Geneva, Switzerland

[6] ESS, Bilbao, Spain

[7] Univ Mediterranea Reggio Calabria, DIIES, I-89100 Reggio Di Calabria, Italy

来源：

ACTA POLYTECHNICA | 2015年 / 55卷 / 03期

关键词：

plasma; electrostatic waves; Bernstein waves; ion sources; ECRIS;

D O I：

10.14311/AP.2015.55.0146

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electron Cyclotron Resonance Ion Sources (ECRIS) are compact plasma-based machines able to feed particle accelerators with high intensity beams of multi-charged ions. ECRIS plasmas are density-limited, since they are sustained by E.M. wave propagation up to a cut-off density value. In the past, the only way to improve ECRIS performance was to increase the microwave frequency and the magnetic field strength to satisfy the ECR condition. A different plasma heating mechanism is being applied at INFN-LNS. It is based on Electron Bernstein Waves (EBW), i.e., electrostatic waves which do not suffer any density cut-off. Highlights concerning preliminary signatures of EBW formation and subsequent absorption are given here.

引用

页码：146 / 149

页数：4

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