H. S. Byhring, C. Charles, A. Fredriksen, and R. W. Boswell,
Double layer in an expanding plasma - Simultaneous upstream and downstream measurements.
Phys. Plasmas, accepted Sept. 2008
Å. Fredriksen, H. Pécseli, and J. Trulsen,
Crash and recovery of the potential in a toroidal plasma column, as observed by generalized conditional sampling,
New J. Phys. 10 033030 (2008). Online movie.
Å. Fredriksen, C. Riccardi, and S. Magni,
Effects of Edge DC Biasing on Plasma Rotation and Transport in a Toroidal Geometry
Phys. Scr. T122 11–14 (2006)
A. Aanesland, C. Charles, R. W. Boswell, and Fredriksen
Fluctuations in a helicon plasma with additional immersed antenna
IEEE Trans. Plasma Science, 33 (2005) 360-361
C. Riccardi, R. Barni, and Å. Fredriksen,
‘Determination of velocity shears in a simple magnetized torus by means of a
combined Langmuir and Machprobe’, 15th TC on High-Temperature Plasma Diagnostics’,
Rev. Sci. Instrum. 75, 4341-4343 Part 2, (2004)
F. Levinton and Å. Fredriksen,
‘A diagnostic method for the measurement of coherent magnetic field fluctuations’,
15th TC on High-Temperature Plasma Diagnostics’, Rev. Sci. Instrum. 75, 4162-4164 Part 2, (2004)
Aanesland, A., C. Charles, R. Boswell, and Å. Fredriksen,
"Helicon plasma with additional immersed antenna",
J. Physics D, 37, (2004), 1334 PDF-file (237 kB)
Copyright (2004) Institute of Physics. This article may be downloaded for personal use only.
Fredriksen, Å, C. Riccardi, L. Cartegni, D. Draghi, R. Trasarti-Battistoni, and H. E. Roman,answer to comment on ”Statistical analysis of turbulent flux and intermittency in the non-fusion magnetoplasma Blaamann”, K. Rypdal and S. Ratynskaia,
Phys Plasmas 11, 3682-3683 (2004)
Fredriksen, Å, C. Riccardi, L. Cartegni, D. Draghi, R. Trasarti-Battistoni, and H. E. Roman,”Statistical analysis of turbulent flux and intermittency in the non-fusion magnetoplasma Blaamann”,
Phys. Plasmas,10, (2003), p.4335 PDF-file (469 kB)
Copyright (2003) American Institute of Physics. This article may be downloaded for personal use only.
Aanesland, A. and Å. Fredriksen,
” ECR harmonics and wall material effects in a microwave discharge”,
Rev. Sci. Instrum. 74, (2003) p. 4336 PDF-file (214 kB)
Copyright (2003) American Institute of Physics. This article may be downloaded for personal use only.
Toader, E. I., Å. Fredriksen, and A. Aanesland,
"Characterization of a high-density electron-cyclotron resonance plasma
source operating in nitrogen",
Rev. Sci. Instr., 74,(2003) p.3279PDF-file(209 kB)
Copyright (2003) American Institute of Physics. This article may be downloaded for personal use only.
Fredriksen, Å., C. Riccardi, L. Cartegni and H. Pecseli,
“Coherent structures, transport and intermittency in a magnetized plasma”,
Plasma Phys. Contr. Fusion, 45, (2003) p.721PDF-file(740 kB)
Copyright (2003) Institute of Physics. This article may be downloaded for personal use only.
Fredriksen, Å., C. Riccardi, and L. Cartegni,
"Measurements of coherent structures and transport in the full cross section of a magnetized plasma"
Rev. Sci. Instr., 74,(2003) p.1588PDF-file(104 kB)
Copyright (2003) American Institute of Physics. This article may be downloaded for personal use only.
Aanesland, A., C. Charles,R. W. Boswell, and Å. Fredriksen,
"Sputtering effects in a helicaon plasma with an additional immersed antenna",
Plasma Sources Sci. Technol. 12 (2003), p. 85,PDF-file ( 99 kB )
Copyright (2003) Institute of Physics. This article may be downloaded for personal use only.
Aanesland, A. and Å. Fredriksen,
"Pressure and density dependent mode transition in an electron cyclotron resonance plasma",
J. Vac. Sci. and Technol, 19, (2001), p. 2446, PDF-file( 97 kb)
Copyright (2001) American Vacuum Society. This article may be downloaded for personal use only.
Fredriksen, Å. , C. Riccardi, and G.Longoni,
"Diagnostic of electron temperature fluctuations in a turbulent plasma",
Rev. Sci. Instr., 72, (2001), p. 457 PDF file (149 kB)
Copyright (2001) American Institute of Physics. Copyright Rules.
Riccardi, C., and Å.Fredriksen,
"Waves and coherent structures in the turbulent plasma of a simple magnetized torus.",
Phys. Plasmas, 2001, 8, (2001), pp.199-209. PDF file (926 kB)
Copyright (2001) American Institute of Physics. Copyright Rules.
Riccardi, C., G. Chiodini, C. Bevilacqua, R. Barni, Å. Fredriksen and M. Fontanesi,
"Bohm like Transport in a Toroidal Magnetoplasma in the Absence of Longitudinal Current",
Physica Scripta, T84 (2000), p. 103-106.
F. J. Øynes, O-M. Olsen, H.L.Pécseli, Å. Fredriksen and K. Rypdal,
"Experimental study of low-frequency electrstatic fluctuations in a magnetized toroidal plasma",
Phys. Rev., 57 (1998), p. 2242-2255. PDF file (450 kB)
Copyright (1998) American Physical Society. Copyright Rules.
V. Demidov, R. Armstrong, Å. Fredriksen,
"Probe Measurements of Electron Energy Distributions in a Magnetized
Plasma of the Toroidal Device 'Blaamann' "
Contributions to Plasma Physics, 1998, 38, no. S, p. 1-6.
R. Armstrong, Å. Fredriksen, E. Grønvoll, D. Batani, A. Galassi, F. Pisani,
"Measurements of ion temperature in weakly ionized, steady-state plasmas",
Physics-Essays. Sept. 1997; 10(3): 483-91.
Rypdal, K., Fredriksen, Å., Olsen, O.M., and Hellblom, G.:
"Microwave-plasma in a simple magnetized torus",
Phys. Plasmas, 4, (1997), p. 1468. PDF file (453 kB)
Copyright (1997) American Institute of Physics. Copyright Rules.
Hwang, Y.-S., Fredriksen, Å., Qin, H., Forest, C. B., and Ono, M.:
"Polarimetry for the CDX-U tokamak",
Rev. Scientific Instr., 66, (1995) pp. 379-381. PDF file (395 kB)
Copyright (1995) American Institute of Physics. Copyright Rules.
Rypdal, K., Grønvoll, E., Øynes, F., Fredriksen, Å., Armstrong, R. J., Trulsen, J., and Pécseli, H.: "Confinement an turbulent transport in a plasma torus with no rotational transform",
Plasma Phys. Contr. Fusion 36, (1994) pp. 1099 - 1114. PDF file (948 kB)
Copyright (1994)Institute of Physics. This article may be downloaded for personal use only.
Fredriksen, Å.; Bjørnå, N.; Lilensten, J.:
"Incoherent Scatter Plasma Lines at Angles with the Magnetic Field",
J. Geophys. Res., 97 (1992) pp. 16.921 - 16.993.
"Measurements of Chirped Natural Plasma Lines with EISCAT",
Adv. Space Res., 12 (1991) pp. (6)231 - (6)234.
Fredriksen, Å.:
"High Latitude Quiet Summer Ion Composition Profiles Derived from a Combined
Ion Line/ Plasma Line Incoherent Scatter Eperiment".
J. Atmos. Terr. Phys., 52 (1990), pp. 77 - 84.
Fredriksen, Å.; Bjørnå, N.; Hansen, T.:
"First EISCAT Two-Radar Plasma-Line Experiment".
J. Geophys. Res., 94 (1989) pp. 2727 - 2731.
Armstrong, R. J.; Fredriksen, Å.; Pécseli, H.; Trulsen, J.:
"Electron Bernstein Waves in Inmogeneous Magnetic Fields".
Plasma Physics and Controlled Fusion, 26 (1984) pp. 703 - 716.

