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English
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2022
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1. |
Buschmann, Lisa Marie; Fredriksen, Åshild. Axial and radial development of the hot electron distribution in a helicon plasma source, measured by a retarding field energy analyzer (RFEA). Plasma Sources Science & Technology 2022 ;Volum 31.(2) s. - UiT UiO
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2. |
Mann, Ingrid; Olsen, Sveinung viggo; Eilertsen, Yngve; Trollvik, Henriette; Pinneau, Adrien; Strmic Palinkas, Sabina; Gunnarsdóttir, Tinna Líf; Greaker, Herman Larsen; Fredriksen, Åshild; Spicher, Andres; Narayanan, Viswanathan Lakshmi. Plans for Mesospheric Dust Studies with MXD2. The 25th ESA Symposium on European Rocket and Balloon Programmes and Related Research; 2022-05-01 - 2022-05-05 UiB UiO UiT
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3. |
Mann, Ingrid; Olsen, Sveinung Viggo; Eilertsen, Yngve; Trollvik, Henriette Marie Tveitnes; Pinneau, Adrien; Strmic Palinkas, Sabina; Gunnarsdottir, Tinna; Greaker, Herman Larsen; Fredriksen, Åshild; Spicher, Andres; Viswanathan, Lakshmi Narayanan. Mesospheric Dust Studies with MXD2. ESA SP 2022 s. - UiT
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2021
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4. |
Antonsen, Tarjei; Mann, Ingrid; Vaverka, Jakub; Nouzak, Libor; Fredriksen, Åshild. A comparison of contact charging and impact ionization in low-velocity impacts: implications for dust detection in space. Annales Geophysicae 2021 ;Volum 39.(3) s. 533-548 UiT
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2020
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5. |
Fredriksen, Åshild; Pécseli, Hans L; Trulsen, Jan Karsten. Anomalous transport due to large coherent structures in a magnetized toroidal plasma. Plasma Physics and Controlled Fusion 2020 ;Volum 63.(1) s. - UiT UiO
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6. |
Sado, Pascal; Fredriksen, Åshild. Detailed density and ion energy profiles downstream of a small ECR plasma source. IEEE Transactions on Plasma Science 2020 ;Volum 48.(12) s. 4181-4190 UiO UiT
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2019
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7. |
Buschmann, Lisa Marie; Gulbrandsen, Njål; Fredriksen, Åshild. Energetic electrons upstream and downstream of a current-free double layer (CFDL) in an inductively coupled helicon plasma.. International Conference on Electromagnetics in Advanced Applications (ICEAA 2019); 2019-09-09 - 2019-09-13 UiT
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8. |
Fredriksen, Åshild. Activity and future plans for studies of dust in the mesosphere at Dep. Physics and Technology, UIT. Norsk Sonderakett Workshop; 2019-02-08 - 2019-02-08 UiT
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9. |
Fredriksen, Åshild; Gulbrandsen, Njål; Buschmann, Lisa Marie; Varberg, Erik. On the ion beams and energetic electrons through a current-free double layer(CFDL). AAPPS-DPP2019; 2019-11-04 - 2019-11-09 UiT
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10. |
Fredriksen, Åshild; Mann, Ingrid; Antonsen, Tarjei; DeLuca, Michael; Fontanese, John; Sternovsky, Zoltan. Laboratory simulations of hypervelocity dust impacts on spacecraft. Fysikermøtet i Oslo; 2019-08-07 - 2019-08-09 UiT
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11. |
Gunnarsdottir, Tinna; Trollvik, Henriette; Mann, Ingrid; Olsen, Sveinung viggo; Eilertsen, Yngve; Antonsen, Tarjei; Björk, Arne; Restad, Erlend; Havnes, Ove; Fredriksen, Åshild; Boothby, Christoffer; Hansen, Rikke Hedelund; Floer, Markus. CHARGING AND DETECTION OF MESOSPHERIC DUST WITH INSTRUMENT SPID ON G-CHASER ROCKET. 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research; 2019-06-16 - 2019-06-21 UiT
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12. |
Gunnarsdottir, Tinna; Trollvik, Henriette; Mann, Ingrid; Olsen, Sveinung viggo; Eilertsen, Yngve; Antonsen, Tarjei; Restad, Erlend Sømhovd; Bjørk, Arne; Havnes, Ove; Fredriksen, Åshild; Boothby, Christoffer; Hansen, Rikke Hedelund; Floer, Markus. CHARGING AND DETECTION OF MESOSPHERIC DUST WITH INSTRUMENT SPID ON G-CHASER ROCKET. ESA SP 2019 UiT
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13. |
Havnes, Ove; Antonsen, Tarjei; Baumgarten, Gerd; Hartquist, Thomas W.; Biebricher, Alexander; Fredriksen, Åshild; Friedrich, Martin; Hedin, Jonas. A new method of inferring the size, number density, and charge of mesospheric dust from its in situ collection by the DUSTY probe. Atmospheric Measurement Techniques 2019 ;Volum 12.(3) s. 1673-1683 UiT
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14. |
Mann, Ingrid; Gunnarsdottir, Tinna; Trollvik, Henriette; Fredriksen, Åshild; Antonsen, Tarjei; Havnes, Ove. Nanoparticles in Earth's ionosphere – detection from rockets. NW2SD international conference - From the Nanoworld to Stardust; 2019-07-17 - 2019-07-19 UiT
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15. |
Mann, Ingrid; Moen, Jøran Idar; Blix, Kolbjørn; Fredriksen, Åshild; Graversen, Rune; Havnes, Ove; Hall, Chris. MESOSPHERIC AND MIDDLE ATMOSPHERIC STUDIES IN NORWAY AND INTERNATIONAL COLLABORATION. 24th ESA Symposium on European Rocket and Balloon Programmes and Related Research; 2019-06-16 - 2019-06-20 UiO UiT
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16. |
Mann, Ingrid; Nouzák, Libor; Vaverka, Jakub; Antonsen, Tarjei; Fredriksen, Åshild; Issautier, Karine; Malaspina, David; Meyer-Vernet, Nicole; Pavlů, Jiří; Sternovsky, Zoltan; Stude, Joan; Ye, Shengyi; Zaslavsky, Arnaud. Dust observations with antenna measurements and its prospects for observations with Parker Solar Probe and Solar Orbiter. Annales Geophysicae 2019 ;Volum 37.(6) s. 1121-1140 UiT
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17. |
Sado, Pascal; Fredriksen, Åshild. On confinement and plasma acceleration from a small ECR plasma source. EPS 46th Conference on Plasma Physics; 2019-07-08 - 2019-07-12 UiT
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18. |
Trollvik, Henriette Marie Tveitnes; Gunnarsdottir, Tinna; Mann, Ingrid; Olsen, Sveinung viggo; Restad, Erlend; Antonsen, Tarjei; Havnes, Ove; Fredriksen, Åshild; Boothby, Christoffer; Björk, Arne; Hansen, Rikke Hedelund; Floer, Markus; Eilertsen, Yngve; Latteck, Ralph. Observation of mesospheric dust and ionospheric conditions during the G-chaser rocket campaign. The 24th ESA Symposion on European Rocket and Balloon programmes and related research; 2019-06-16 - 2019-06-20 UiT
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19. |
Trollvik, Henriette Marie Tveitnes; Gunnarsdottir, Tinna; Mann, Ingrid; Olsen, Sveinung viggo; Restad, Erlend Sømhovd; Antonsen, Tarjei; Havnes, Ove; Fredriksen, Åshild; Boothby, Christoffer; Bjørk, Arne; Hansen, Rikke Hedelund; Floer, Markus; Eilertsen, Yngve; Latteck, Ralph. Observation of mesospheric dust and ionospheric conditions during the G-chaser rocket campaign. ESA SP 2019 UiT
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20. |
Varberg, Erik; Fredriksen, Åshild. Effect of permanent magnets on plasma confinement and ion beam properties in a double layer helicon plasma source. Journal of Plasma Physics 2019 ;Volum 85.(3) s. 905850310- UiT
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2018
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21. |
Fredriksen, Åshild. Laboratory plasma simulation of impacts. Physics of Dust Impacts ISSI project meeting; 2018-06-03 - 2018-06-08 UiT
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22. |
Fredriksen, Åshild; Gulbrandsen, Njål; Buschmann, Lisa. Energetic electrons near a current-free double layer in inductively coupled helicon plasma.. Seminar at Department of Physics, IIT; 2018-12-18 - 2018-12-18 UiT
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23. |
Fredriksen, Åshild; Pecseli, Hans; Trulsen, Jan Karsten. A solvable model for the basic properties of a simple magnetized plasma torus. Plasma Physics and Controlled Fusion 2018 ;Volum 60:085021.(8) s. - UiT UiO
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2017
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24. |
Antonsen, Tarjei; Havnes, Ove; Fredriksen, Åshild; Friedrich, Martin; Sternovsky, Zoltan; Plane, John M.C.; Hartquist, Tom; Olsen, Sveinung viggo; Eilertsen, Yngve; Trondsen, Espen; Mann, Ingrid; Gumbel, Jörg; Moen, Jøran Idar; Latteck, Ralph; Baumgarten, Gerd; Höffner, Josef; Hoppe, Ulf-Peter; Karlberg, Jan Ove. Mesospheric dust observations during the MAXIDUSTY campaign. EGU General Assembly; 2017-04-23 - 2017-04-28 UiO UiT
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25. |
Fredriksen, Åshild. Women in Physics-Norway. Gender in Physics Days; 2017-01-27 - 2017-01-27 UiT
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26. |
Gulbrandsen, Njål; Fredriksen, Åshild. RFEA Measurements of High-Energy Electrons in a Helicon Plasma Device with Expanding Magnetic Field. Frontiers in Physics 2017 ;Volum 5. s. 1-8 UiT
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27. |
Nilsen, Kenneth; Fredriksen, Åshild; Mann, Ingrid. Plasma Clouds from Vacuum Arcs in a Laboratory Experiment - A Possible Simulation Tool for Impact Clouds from Hypervelocity Dust Impact?. 8th International Conference on the Physics of Dusty Plasmas; 2017-05-20 - 2017-05-25 UiT
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28. |
Varberg, Erik; Fredriksen, Åshild. Effect of permanent magnets on plasma confinement and ion beams from a helicon plasma source. XXXIII International Conference on Phenomena in Ionized Gases; 2017-07-09 - 2017-07-14 UiT
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2016
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29. |
Bhattacharjee, Sudeep; Fredriksen, Åshild; Chandra, Sayan. Fluctuations in electron cyclotron resonance plasma in a divergent magnetic field. Physics of Plasmas 2016 ;Volum 23.(2) s. 1-7 UiT
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2015
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30. |
Bergsaker, Anne Schad; Fredriksen, Åshild; Pecseli, Hans; Trulsen, Jan Karsten. Models for the probability densities of the turbulent plasma flux in magnetized plasmas. Physica Scripta 2015 ;Volum 90.(10) s. - UiT UiO
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31. |
Gulbrandsen, Njål; Fredriksen, Åshild; Carr, Jr, Jerry; Scime, Earl. A comparison of ion beam measurements by retarding field energy analyzer and laser induced fluorescence in helicon plasma devices. Physics of Plasmas 2015 ;Volum 22.(3) UiT
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32. |
Havnes, Ove; Antonsen, Tarjei; Hartquist, Thomas W.; Fredriksen, Åshild; Plane, John M.C.. The Tromsø programme of in situ and sample return studies of mesospheric nanoparticles. Journal of Atmospheric and Solar-Terrestrial Physics 2015 ;Volum 127. s. 129-136 UiT
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2014
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33. |
Bergsaker, Anne Schad; Fredriksen, Åshild; Pecseli, Hans; Trulsen, Jan Karsten. Analytical models for skewness-kurtosis relations in turbulent transport. 41st EPS Conference on Plasma Physics; 2014-06-23 - 2014-06-27 UiO UiT
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34. |
Bergsaker, Anne Schad; Fredriksen, Åshild; Pecseli, Hans; Trulsen, Jan Karsten. Analytical models for skewness-kurtosis relations in turbulent transport. I: 41st EPS Conference on Plasma Physics. Groningen, Netherlands: European Physical Society 2014 ISBN 2-914771-90-8. s. - UiO UiT
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35. |
Fredriksen, Åshild; Gulbrandsen, Njål. Beam formation in a weakly collisional expanding, inductively coupled plasma.. XXXIth URSI General Assembly and Scientific Symposium (URSI GASS); 2014-08-16 - 2014-08-23 UiT
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36. |
Fredriksen, Åshild; Gulbrandsen, Njål. Beam formation in a weakly collisional expanding, inductively coupled plasma.. I: General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI. IEEE Sarnoff Symposium 2014 ISBN 978-1-4673-5225-3. s. - UiT
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37. |
Gulbrandsen, Njål; Fredriksen, Åshild. Comparison of ion beam diagnostics with laser induced fluorescence (LIF) and retarding field energy analyzer (RFEA) in a low-temperature RF-plasma. 41st EPS Conference on Plasma Physics; 2014-06-23 - 2014-06-27 UiT
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38. |
Gulbrandsen, Njål; Fredriksen, Åshild. The role of collisions for beam formation in a plasma potential gradient. 41st EPS Conference on Plasma Physics; 2014-06-23 - 2014-06-27 UiT
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39. |
Gulbrandsen, Njål; Fredriksen, Åshild. The role of collisions for beam formation in a plasma potential gradient. I: 41st EPS Conference on Plasma Physics. Groningen, Netherlands: European Physical Society 2014 ISBN 2-914771-90-8. s. - UiT
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2013
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40. |
Fredriksen, Åshild. Beam and flow studies in an expanding plasma. Gruppeseminar; 2013-11-04 - 2013-11-04 UiT
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41. |
Fredriksen, Åshild. Introduction to the Physics Department and Space research at UiT. Studentbesøk fra St. Andrews; 2013-01-14 - 2013-01-14 UiT
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42. |
Fredriksen, Åshild. Ny rocket science: Plasmaraketter setter fart på romfartøyer. Den internasjonale romfartsdagen; 2013-04-12 - 2013-04-12 UiT
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43. |
Fredriksen, Åshild. On ion flow measurements in low-temperature plasmas. PhD. seminar; 2013-11-19 - 2013-11-19 UiT
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44. |
Fredriksen, Åshild; Gulbrandsen, Njål. Ion beam formation in a plasma with expanding magnetic field. Fysikermøtet i Bergen; 2013-08-07 - 2013-08-10 UiT
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45. |
Fredriksen, Åshild; Gulbrandsen, Njål; Miloch, Wojciech Jacek. Potential and ion flow profiles in a Helicon-source plasma. IPELS (Interrellations between Plasma Experiments in Laboratory and Space; 2013-07-01 - 2013-07-05 UiO UiT
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46. |
Fredriksen, Åshild; Miloch, Wojciech Jacek; Gulbrandsen, Njål; Mishra, Lekha Nath. On the Use of a Retarding Field Energy Analyzer for Plasma Flow Analysis. Contributions to Plasma Physics 2013 ;Volum 53.(1) s. 86-91 UiO UiT
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47. |
Gulbrandsen, Njål; Miloch, Wojciech Jacek; Fredriksen, Åshild. Interpretation of Ion Velocity Distributions Measured with a Grounded Retarding Field Energy Analyzer (RFEA) in an Inductively Coupled Helicon Plasma. Contributions to Plasma Physics 2013 ;Volum 53.(1) s. 27-32 UiT
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48. |
Havnes, Ove; Antonsen, Tarjei; Fredriksen, Åshild; Olsen, Sveinung Viggo; Eilertsen, Yngve; Strømmesen, Inge o. ICON, A MASS ANALYZER FOR THE ICE CONTENT OF NLC/PMSE PARTICLES. ESA SP 2013 s. 441-444 UiT
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49. |
Holst, Bodil; Fredriksen, Åshild; Borg, Anne. On the Recruitment and Participation of Women in Physics: A Report from Norway. AIP Conference Proceedings 2013 ;Volum 1517. s. 180-180 UiB UiT UiO
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2012
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50. |
Barni, R.; Riccardi, C; Fredriksen, Åshild. Structure dynamics associated with temperature fluctuations in the magnetised plasma of the Thorello device. I: 38th EPS Conference on Plasma Physics,27 June - 1 July 2011. Curran Associates, Inc. 2012 ISBN 9781618395931. s. 632-636 UiT
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