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• Influence of axial mirror ratios on the kinetic instability threshold in electron cyclotron resonance ion source plasma 

  Toivanen, V.; Bhaskar, B. S.; Koivisto, H.; Maunoury, L.; Tarvainen, O.; Thuillier, T. (American Institute of Physics, 2022)

  Electron Cyclotron Resonance (ECR) ion source plasmas are prone to kinetic instabilities. The onset of the instabilities manifests as emission of microwaves, bursts of electrons expelled from the plasma volume, and the ...

• Slit extraction and emittance results of a permanent magnet minimum-B quadrupole electron cyclotron resonance ion source 

  Kosonen, Sami; Kalvas, Taneli; Koivisto, Hannu; Tarvainen, Olli; Toivanen, Ville (Elsevier, 2024)

  We present an experimental and simulation study of high charge state ion beams produced with a permanent magnet electron cyclotron resonance ion source (ECRIS) with minimum-B quadrupole magnetic field topology and slit ...

• Bremsstrahlung Emission of an X-Band Permanent Magnet Minimum-B Quadrupole Electron Cyclotron Resonance Ion Source 

  Tarvainen, Olli; Toivanen, Ville; Kalvas, Taneli; Koivisto, Hannu A.; Kosonen, Sami (Institute of Electrical and Electronics Engineers (IEEE), 2024)

  We have carried out bremsstrahlung measurements on a permanent magnet minimum-B quadrupole electron cyclotron resonance (ECR) ion source operating at 10.3–11.5 GHz microwave frequencies. The bremsstrahlung spectral temperature ...

• Characteristic Kα emission of electron cyclotron resonance ion source plasmas 

  Sakieldien, Moenir (University of Jyväskylä, 2018)

  This thesis presents the results of an investigation of the volumetric Kα emission rate/inner shell ionization rate from an Electron Cyclotron Resonance Ion Source (ECRIS) plasma tuned predominantly for high charge state ...

• Quasi-periodical kinetic instabilities in minimum-B confined plasma 

  Bhaskar, B. S.; Koivisto, H.; Tarvainen, O.; Thuillier, T.; Toivanen, V. (AIP Publishing, 2022)

  We present the results of an experimental investigation of quasi-periodical kinetic instabilities exhibited by magnetically confined electron cyclotron resonance heated plasmas. The instabilities were detected by measuring ...