EXPERIMENTAL CHARACTERIZATION OF AN OVERDENSE PLASMA IN A COMPACT ION SOURCE

Authors

  • Giuseppe Castro INFN-LNS, Via S. Sofia 62 95123, Catania
  • David Mascali INFN-LNS, Via S. Sofia 62 95123, Catania
  • Francesco Paolo Romano INFN-LNS, Via S. Sofia 62 95123, Catania; CNR-IBAM Via Biblioteca 4, 95124, Catania
  • Carmen Altana INFN-LNS, Via S. Sofia 62 95123, Catania; Università degli Studi di Catania, Dipartimento di Fisica e Astronomia, V. S.Sofia 64, 95123 Catania, Italy
  • Claudia Caliri INFN-LNS, Via S. Sofia 62 95123, Catania; Università degli Studi di Catania, Dipartimento di Fisica e Astronomia, V. S.Sofia 64, 95123 Catania, Italy
  • Luigi Celona INFN-LNS, Via S. Sofia 62 95123, Catania;
  • Rossella Di Giugno INFN-LNS, Via S. Sofia 62 95123, Catania;
  • Nadia Gambino INFN- Laboratori Nazionali del Sud, via S.Sofia 62, 95123 ,Catania; ETH, Zurich, Switzerland;
  • Davide Lanaia CERN, Geneve, Switzerland;
  • Rosalba Miracoli ESS Bilbao, Spain;
  • Agatino Musumarra INFN-LNS, Via S. Sofia 62 95123, Catania; Università degli Studi di Catania, Dipartimento di Fisica e Astronomia, V. S.Sofia 64, 95123 Catania, Italy
  • Lorenzo Neri INFN-LNS, Via S. Sofia 62 95123, Catania;
  • Giuseppe Torrisi INFN-LNS, Via S. Sofia 62 95123, Catania; Università Mediterranea di Reggio Calabria, DIIES, Via Graziella,I-89100, Reggio Calabria, Italy;
  • Santo Gammino INFN-LNS, Via S. Sofia 62 95123, Catania;

DOI:

https://doi.org/10.14311/AP.2015.55.0146

Keywords:

plasma, electrostatic waves, Bernstein waves, ion sources, ECRIS

Abstract

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.

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Published

2015-06-30

Issue

Vol. 55 No. 3 (2015)

Section

Articles

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How to Cite

Castro, G., Mascali, D., Romano, F. P., Altana, C., Caliri, C., Celona, L., Di Giugno, R., Gambino, N., Lanaia, D., Miracoli, R., Musumarra, A., Neri, L., Torrisi, G., & Gammino, S. (2015). EXPERIMENTAL CHARACTERIZATION OF AN OVERDENSE PLASMA IN A COMPACT ION SOURCE. Acta Polytechnica, 55(3), 146-149. https://doi.org/10.14311/AP.2015.55.0146