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V. Skalyga, I. Izotov, S. Golubev, "First experiments with gasdynamic ion source in CW mode", Rev. Sci. Instrum. 87, 02A715 (2016).
2015
V. Kleshch, E. Smolnikova, A. Orekhov, T. Kalvas, O. Tarvainen, J. Kauppinen , A. Nuottajärvi, H. Koivisto, P. Janhunen, A. Obraztsov, Nano-graphite cold cathodes for electric solar wind sail, Carbon 81, (2015), p. 132.
O.D. Cortazar, A. Megia-Macias, O. Tarvainen and H. Koivisto, Breakdown transient study of plasma distributions in a 2.45 GHz hydrogen discharge, Nucl. Instrum. Meth. A, Feb. (2015), p. 50-56.
O. D. Cortázar, A. Megía-Macías, O. Tarvainen, T. Kalvas, H. Koivisto, Rev. Sci. Instrum., 86 (8), (2015), p. 083309.
O. Tarvainen, J. Laulainen, J. Komppula, R. Kronholm, T. Kalvas, H. Koivisto, I. Izotov, D. Mansfeld, and V. Skalyga, Limitations of electron cyclotron resonance ion source performances set by kinetic plasma instabilities, Rev. Sci. Instrum., 86, (2015), p. 023301.
O. Tarvainen, T. Lamy, J. Angot, T. Thuillier, P. delahaye, L. Maunoury, J. Choinski, L. Standylo, A. Galata, G. Patti and H. Koivisto, Injected 1+ ion beam as a diagnostics tool of charge breeder ECR ion source plasmas, Plasma Sources Sci. Technol., 24(2015), p. 35014.
I Izotov, O Tarvainen, D Mansfeld, V Skalyga, H Koivisto, T Kalvas, J Komppula, R Kronholm and J Laulainen, Microwave emission related to cyclotron instabilities in a minimum-B electron cyclotron resonance ion source plasma, Plasma Sources Sci. Technol., 24(2015), p. 045017.
J. Komppula, O. Tarvainen, T. Kalvas, H. Koivisto, R. Kronholm, J.Laulainen and P. Myllyperkiö, VUV irradiance measurements of a 2.45 GHz microwave-driven hydrogen discharge, J. Phys. D: Appl. Phys. 48 (2015), p. 365201.
V. Skalyga, I. Izotov, T. Kalvas, H. Koivisto, J. Komppula, R. Kronholm, J. Laulainen, D. Mansfeld and O. Tarvainen, Suppression of cyclotron instability in Electron Cyclotron Resonance ion sources by two-frequency heating, Physics of Plasmas, 22 (8), (2015), p. 083509.
V. Skalyga, I. Izotov, S. Golubev, A. Sidorov, S. Razin, A. Sterlkov, O. Tarvainen, H. Koivisto, T. Kalvas, High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source, J. of Appl. Phys., Vol. 118, Issue 9, (2015), p. 093301.
O. D. Cortázar, A. Megía-Macías, O. Tarvainen and H. Koivisto, Experimental evidence of E x B plasma rotation in a 2.45 GHz hydrogen discharge, Phys. of plasmas, 22, (2015), p. 123511
J. Laulainen, T. Kalvas, H. Koivisto, J. Komppula and O. Tarvainen, Photoelectron emission from metal surfaces induced by VUV-emission of filament driven hydrogen arc discharge plasma, Fourth International Symposium on Negative Ions, Beams and Sources (NIBS 2014), 6-10 Oct. (2014), Garching, Germany, AIP Conference Proceedings 1655, (2015), p. 020007.
T. Kalvas, O. Tarvainen, J. Komppula, H. Koivisto, J. Tuunanen, D. Potkins, T. Stewart and M.P. Dehnel, A CW radiofrequency ion source for production of negative hydrogen ion beams for cyclotrons, Fourth International Symposium on Negative Ions, Beams and Sources (NIBS 2014), 6-10 Oct. (2014), Garching, Germany, AIP Conference Proceedings 1655, (2015), p. 030015.
J. Komppula, T. Kalvas, H. Koivisto, J. Laulainen and O. Tarvainen, An experimental study of waveguide coupled microwave heating with conventional multicusp negative ion sources, Fourth International Symposium on Negative Ions, Beams and Sources (NIBS 2014), 6-10 Oct. (2014), Garching, Germany, AIP Conference Proceedings 1655, (2015), p. 070004.
V. Skalyga, I. Izotov, S. Golubev, S. Razin, A. Sidorov, A. Maslennikova, A. Volovecky, T. Kalvas, H. Koivisto, O. Tarvainen, Neutron generator for BNCT based on high current ECR ion source with gyrotron plasma heating, Applied radiation and isotopes, Vol. 106, (2015). P. 29-33.