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Njål Gulbrandsen.jpg

Gulbrandsen, Njål


Stipendiat
Fysikk og teknologi


Telefon: 776 45140
Mobil jobb / Mobil privat: /
Epost : njal.gulbrandsen@uit.no
Campus:
Kontor/besøksadresse : NOBS HOV 113B / Nordlysobservatoriet
Funksjon : PhD-student / Plasmafysikk

Stillingsbeskrivelse:

Doktorgradsstudent i Plasmafyskk

Hjemmesider

http://home.online.no/~e-gulbra/njaal/

Forskerprofil i Cristin

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Arbeider i CRIStin

  • 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). ISSN 0863-1042.s 27 - 32.s doi: 10.1002/ctpp.201310005.

  • Carr, Jerry; Cassak, Paul A.; Galante, Matthew; Keesee, Amy M.; Lusk, Greg; Magee, Richard M.; McCarren, Dustin; Scime, Earl E.; Sears, Stephanie; VanDervort, Robert; Gulbrandsen, Njål; Goldman, Martin; Newman, David; Eastwood, Jonathan P.. Spontaneous ion beam formation in the laboratory, space, and simulation. Physics of Plasmas 2013; Volum 20 (7:072118). ISSN 1070-664X.s doi: 10.1063/1.4817263.

  • 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). ISSN 0863-1042.s 86 - 91.s doi: 10.1002/ctpp.201310015.

  • Magee, Richard M.; Galante, Matthew E.; Gulbrandsen, Njål; McCarren, Dustin W.; Scime, Earl. Direct measurements of the ionization profile in krypton helicon plasmas. Physics of Plasmas 2012; Volum 19 (12). ISSN 1070-664X.s doi: 10.1063/1.4772060.

  • Miloch, Wojciech Jacek; Gulbrandsen, Njål; Mishra, Lekha Nath; Fredriksen, Åshild. Ion velocity distributions in the sheath and presheath of a biased object in plasma. Physics of Plasmas 2011; Volum 18 (8). ISSN 1070-664X.s doi: 10.1063/1.3614520.

  • Brändström, B. Urban E.; Enell, Carl-Fredrik; Widell, Ola; Hansson, Thord; Whiter, Daniel; Mäkinen, Sanna; Mikhaylova, Daria; Axelsson, Katarina; Sigernes, Fred; Gulbrandsen, Njål; Schlatter, Nicola M.; Gjendem, Amund Gjerde; Cai, L.; Reistad, Jone Peter; Daae, Marianne; Demissie, Teferi Dejene; Andalsvik, Yngvild Linnea; Roberts, Owen; Poluyanov, Stepan Viktorovich; Chernouss, Sergey. Results from the intercalibration of optical low-light calibration sources 2011. (omtale) Geoscientific Instrumentation, Methods and Data Systems 2011; Volum 1 (1). ISSN 2193-0856.s 91 - 107.s doi: 10.5194/gid-1-91-2011.

  • Miloch, Wojciech Jacek; Gulbrandsen, Njål; Mishra, Lekha Nath; Fredriksen, Åshild. The role of acceptance angle in measurements with ion energy analyzers: Study by numerical simulations. (data) Applied Physics Letters 2010; Volum 97 (26). ISSN 0003-6951.s doi: 10.1063/1.3531757.

  • Fredriksen, Åshild; Mishra, Lekha Nath; Gulbrandsen, Njål; Miloch, Wojciech Jacek. On the measurement of subsonic flow in a capacitevly coupled helicon plasma source. (data) Journal of Physics, Conference Series 2010; Volum 257. ISSN 1742-6588.s doi: 10.1088/1742-6596/257/1/012019.

  • Moen, Jøran Idar; Gulbrandsen, Njål; Lorentzen, Dag Arne; Carlson, HC. On the MLT distribution of F region polar cap patches at night. Geophysical Research Letters 2007; Volum 34. ISSN 0094-8276.s doi: 10.1029/2007GL029632.

  • Fredriksen, Åshild; Gulbrandsen, Njål. Ion beam formation in a plasma with expanding magnetic field. Fysikermøtet i Bergen 2013-08-07 - 2013-08-10 2013.

  • 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 2013.

  • Fredriksen, Åshild; Gulbrandsen, Njål; Miloch, Wojciech Jacek; Hansen, Alexander; Scime, Earl. Plasma flows in expanding magnetic field: simulations, probe and Laser Induced Fluorescence (LIF) measurements. XXI ESCAMPIG (Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases) 2012-07-10 - 2012-07-14 2012.

  • Moen, Jøran Idar; Hosokawa, Keisuke; Gulbrandsen, Njål. On the IMF BY dependence on polar cap patch exits at night. EGU 2012 2012-04-23 - 2012-04-27 2012.

  • Fredriksen, Åshild; Gulbrandsen, Njål; Miloch, Wojciech Jacek. Plasma flows in expanding magnetic field. 39th EPS Conf. on Plasma Physics/16th Int. Conf. on Plasma Physics 2012-07-02 - 2012-07-06 2012.

  • Gulbrandsen, Njål; Fredriksen, Åshild; Carr Jr, Jerry; Scime, Earl; McCarren, Dustin W.; VanDervort, Robert; Galante, Matthew E.; Magee, Richard M.; Lusk, Greg; Sears, Stephanie H.. A comparison of ion velocity measurements from retarding field energy analyzer (RFEA) and laser induced fluorescence (LIF) in expanding helicon plasma. 54th Annual Meeting of the APS Division of Plasma Physics 2012-10-29 - 2012-12-02 2012.

  • Fredriksen, Åshild; Miloch, Wojciech Jacek; Gulbrandsen, Njål; Mishra, Lekha Nath. On the use of a retarding field energy analyzer for plasma flow analysis. 9th International Workshop on Electrical Probes in Magnetized Plasmas (IWEP 2011) 2011-09-21 - 2011-09-23 2011.

  • Hansen, Ragnhild Schrøder; Andalsvik, Yngvild Linnea; Bækken, Anja Lyng; Reistad, Jone; Gabrielse, Christine; Roberts, Owen; Gulbrandsen, Njål; Sato, Hiroatsu. Study of an auroral breakup during quiet solar wind conditions. EGU genral assembly 2011-04-07 - 2011.

  • Fredriksen, Åshild; Miloch, Wojciech Jacek; Gulbrandsen, Njål; Mishra, Lekha Nath. The role of sheath and acceptance angle in front of a retarding field energy analyzer for plasma flow analysis. 30th URSI General Assembly and Scientific Symposium of International Union of Radio Science 2011-08-13 - 2011-08-20 2011.

  • Gulbrandsen, Njål; Miloch, Wojciech Jacek; Fredriksen, Åshild. Interpretation of ion velocity distributions measured with a retartding field energy analyzer (RFEA) in a inducitively coupled helicon plasma. 30th URSI General Assembly and Scientific Symposium of International Union of Radio Science 2011-08-13 - 2011-08-20 2011.

  • Fredriksen, Åshild; Mishra, Lekha Nath; Gulbrandsen, Njål; Miloch, Wojciech Jacek. Magnetic field geometry, beams and flows in the inductively coupled helicon plasma Njord. 25th Summer School and International Symposium on the Physics of Ionized Gases 2010-08-30 - 2010-09-03 2010.

  • Miloch, Wojciech Jacek; Mishra, Lekha Nath; Gulbrandsen, Njål; Fredriksen, Åshild. Numerical simulations of the influence of an ion beam on the plasma analyzer performance in Njord helicon device. 63rd Annual Gaseous Electronics Conference & 7th International Conference on Reactive Plasmas 2010-10-04 - 2010-10-08 2010.

  • Moen, Jøran Idar; Gulbrandsen, Njål; Lorentzen, D. A.. Polar cap patches as a new tool to explore tail reconnection dynamics. The Third International Symposium on KuaFu Project 2008-09-15 - 2008-09-17 2008.




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