Ketil Røed

Professor - Electronics
Image of Ketil Røed
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Phone +47 22858632
Room 321
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Visiting address Fysikkbygningen Sem Sælandsvei 24 0371 Oslo
Postal address Postboks 1048 Blindern 0316 Oslo

Academic Interests

  • FPGA and embedded system development
  • Radiation effects in electronic components
  • Irradiation testing of electronic components
  • Radiation physics
  • Monte Carlo radiation transport calculations
  • Instrumentation and detector development for high energy physics experiments and space applications

Teaching

Projects

Higher education and employment history

  • Professor
    University of Oslo

    Norway
    September 2019 - Present
     
  • Associate Professor
    University of Oslo

    Norway
    September 2012 - August 2019
  • Postdoctoral Researcher
    University of Bergen

    Norway
    October 2011 - August 2012
  • Senior Fellowship
    CERN
    Geneva, Switzerland
    April 2009 - October 2011
  • Research visit
    IBM T.J. Watson Research Center

    NY, USA
    Februar 2007 - August 2007
    Financial support through The Leiv Eiriksson Mobility Programme (The Research Council of Norway)
  • Research Fellow / PhD student
    Bergen University College / University of Bergen

    2004 - 2009
     

Appointments

  • IWORID 2023 (24th International Workshop on radiation imaging detectors): Member of local organising committee.
  • IEEE NorCAS 2023 (IEEE Nordic Circuits and Systems Conference): Member of the Technical Program Committee (2021–2023)
  • RADECS 2017: Co-chair "Single Event Effects in Devices and ICs" session
  • FPGAworld: Member of the academic program commitee (2006 - 2017)

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Tags: FPGA, Embedded systems, Radiation effects, Monte Carlo, CERN, LHC, ALICE

Publications

2023

Kjølerbakken, K., Miloch, W., & Røed, K. (2023). Sheath formation time for spherical Langmuir probes. Journal of Plasma Physics,89(1), 905890102. doi:10.1017/S0022377822001027

Alme, J. and Barthel, R.; van Bochove, A.;  Borshchov, V.; Bosley, R.; Brink, A. van den; Broeils, E.; Büsching, H.; Eikeland, V. N.; Grøttvik, O. S.; Han, Y. H.; van der Kolk, N.; Kim, J. H.; Kim, T. J.; Kwon, Y.; Mager, M.; Malik, Q. W.; Okkinga, E.; Park, T. Y.; Peitzmann, T.; Pliquett, F.; Protsenko, M.; Reidt, F.; van Rijk, S.; Røed, K.; Rogoschinski, T. S.; Röhrich, D.; Rossewij, M.; Ruis, G. B.; Solheim, E. H.; Tymchuk, I.; Ullaland, K.; Watson, N. K.; Yokoyama, H., Performance of the electromagnetic pixel calorimeter prototype EPICAL-2.  Journal of Instrumentation, Vol. 18, January 2023, doi:10.1088/1748-0221/18/01/P01038 

Peitzmann, T.; Alme, J.; Barthel, R.; van Bochove, A.; Borshchov, V.; Bosley, R.; van den Brink, A.; Broeils, E.; Büsching, H.; Eikeland, V.N.; Groettvik, O.S.; Han, Y.H.; van der Kolk, N.; Kim, J.H.; Kim, T.J.; Kwon, Y.; Mager, M.; Malik, Q.W.;  Okkinga, E.; Park, T.Y.; Pliquett, F.; Protsenko, M.; Reidt, F.; van Rijk, S.;  Røed, K.; Rogoschinski, T.S.; Röhrich, D.; Rossewij, M.J.;  Ruis, G.B.; Solheim, E.H.; Tymchuk, I.; Ullaland, K.; Watson, N.K.; Yokoyama, H. "Results from the EPICAL-2 ultra-high granularity electromagnetic calorimeter prototype".  NIM-A, Vol. 1045, January 2023, doi: doi.org/10.1016/j.nima.2022.167539

 

2022

Røed, K.; Eriksen, D. Ø.; Ceccaroli, B.; Martinella, C.; Javanainen, A.; Reshanov, S.; Masetti, S., "Isotopic and Natural SiC Junction Barrier Schottky diodes under Heavy Ion Irradiation", IEEE Transactions on Nuclear Science, Vol. 69, Issue: 7, p. 1675–1682, July 2022, doi:10.1109/TNS.2022.3173061

Kjølerbakken, M.; Miloch, W. J.; Martinsen, Ø.; Pabst, O.; Røed, K., "Numerical Study of Non-Linear Effects for a Swept Bias Langmuir Probe", in IEEE Transactions on Plasma Science, Vol. 50, Issue: 50, p. 1237–1245, May 2022, doi: 10.1109/TPS.2022.3164220

Da Costa Lopes, I.; Pouget, V.; Wrobel, F.; Touboul, A.; Saigne, F. and Røed, K. "Bridging RHA methodology from component to system level applied to System-on-Modules," in IEEE Transactions on Nuclear Science, Vo. 69, Issue: 7, p. 1747–1756, July 2022, doi: 10.1109/TNS.2022.3143862.

 

2021

Wyrwoll, V. ; Røed, K.; Alía, R. G.; Deles, B.; Coronetti, A.; Farabolini, W.; Gilardi, A.; Corsini, R.; "Pulsed Electron Beam induced SEU Effects in a SRAM memory," 2021 21th European Conference on Radiation and Its Effects on Components and Systems (RADECS), 2021, pp. 1-7, doi: 10.1109/RADECS53308.2021.9954561.

Kjølerbakken, K. M.; Miloch, W.; Røed, K.. "The influence of probe spacing and probe bias in a double Langmuir probe setup" in AIP Advances, Volume 11, Issue 8 (2021). https://doi.org/10.1063/5.0058540

Wyrwoll, V.; Delfs, B.; Lapp, M.; Poppinga, D.; Fernádez-Martínez, P.; Kastriotou, M.; Alía, R. G.; Røed, K.; Gerbershagen, A.; Looe, H. K.; Poppe, B.. "On-line beam monitoring and dose profile measurements of a 208Pb beam of 150 GeV/n with a liquid-filled ionization chamber array" in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume: 987, (2021) doi.org/10.1016/j.nima.2020.164831

ALICE TPC collaboration et al, "The upgrade of the ALICE TPC with GEMs and continuous readout", Journal of Instrumentation, Vol. 16, March 2021, doi: doi.org/10.1088/1748-0221/16/03/P03022 

Quinn, C.; Slettemoen, S. F.; Häfliger, P.; Røed, K. "Overview of the electronics redesign of the multi-Needle Langmuir probe system", 2021 IEEE East-West Design & Test Symposium (EWDTS), 2021, pp. 1–5 doi: https://doi.org/10.1109/EWDTS52692.2021.9581012

 

2020

Wyrwoll, V.; Alta, R. G.; Røed, K.; Cazzaniga, C.; Kastriotou, M.; Fernádez-Martínez, P.;  Coronetti, A.; Cerutti, F.. "Longitudinal direct ionisation impact of Heavy Ions on SEE testing for Ultra-High Energies," in IEEE Transactions on Nuclear Science, vol. 67, no. 7, pp. 1530-1539, July 2020, doi: 10.1109/TNS.2020.2994370

Wyrwoll, V.; Alta, R. G.; Røed, K.; Fernádez-Martínez, P.; Kastriotou, M.; Cecchetto, M.; Kerboub, N.; Tali, M.; Cerutti, F.. "Heavy Ion Nuclear Reaction Impact on SEE Testing: from Standard to Ultra-High Energies" in IEEE Transactions on Nuclear Science, vol. 67, no. 7, pp. 1590-1598, July 2020, doi: 10.1109/TNS.2020.2973591

Lopes, I. C.; Pouget, V.; Wrobel, F.; Saigne, F.; Touboul, A.; Røed, K. "Development and evaluation of a flexible instrument layer for system-level testing of radiation effects", 2020 IEEE Latin-American Test Symposium (LATS), 2020, pp. 1–6, dot: https://doi.org/10.1109/LATS49555.2020.9093681

 

2019

Stein, T. A.; Fredriksen, A.; Holter, J. -E.; Øya, P.; Røed, K.; and Meier, D. "Radiation Testing of the IDE3380 SiPM Readout ASIC," 2019 19th European Conference on Radiation and Its Effects on Components and Systems (RADECS), 16–19 Sept. 2019, pp. 1-7, doi: https://doi.org/10.1109/RADECS47380.2019.9745675.

Ivarsen, M. F.; Hoang, H.; Yang, L.; Clausen, L. B. N.; Spicher, A.; Jin, Y.; Trondsen, E.; Moen, J. I.; Røed, K.; Lybekk, B. "Multineedle Langmuir Probe Operation and Acute Probe Current Susceptibility to Spacecraft Potential", IEEE Transactions on Plasma Science, vol. 47, no. 8, pp. 3816-3823, Aug. 2019., DOI:10.1109/TPS.2019.2906377

Hoang, H.; Røed, K.; Bekkeng, T. A.; Moen, J. I.; Clausen, L. B. N.; Trondsen, E.; Lybekk, B.; Strøm, H.; Bang-Hauge, D. M.; Pedersen, A.; Nokes, C. D. A.; Cupido, C.; Mann, I. R.; Ariel, M.; Portnoy, D.; Sagi, E. "The Multi-needle Langmuir Probe Instrument for QB50 Mission: Case Studies of Ex-Alta 1 and Hoopoe Satellites" Space Sci Rev (2019) 215:21. https://doi.org/10.1007/s11214-019-0586-x

 

2018

Hoang, H.; Clausen, L. B. N.; Røed, K.; Bekkeng, T. A.; Trondsen, E.; Lybekk, B.; Strøm, H.; Bang-Hauge, D. M.; Pedersen, A.; Spicher, A.; Moen, J. I. "The Multi-Needle Langmuir Probe System on Board NorSat-1" Space Sci Rev (2018) 214: 75. , https://doi.org/10.1007/s11214-018-0509-2 

Hoang, H.; Røed, K.; Bekkeng, T. A.; Moen, J. I.; Spicher, A.;  Clausen, L. B. N.; Miloch, W. J.; Trondsen, E.; Pedersen, A. "A study of data analysis techniques for the multi-needle probe instrument", Measurement Science and Technology, Volume 29, Number 6, May 2018 https://doi.org/10.1088/1361-6501/aab948

Mahmood, S. M.; Røed, K.; Velure, A. & Winje, F. L. "First irradiation test results of the ALICE SAMPA ASIC".  PoS - Proceedings of Science.  ISSN 1824-8039 313 . doi:10.22323/1.313.0093

 

2017

Hoang, H.; Røed, K.; Bekkeng, T. A.; Trondsen, E.; Clausen, L. B. N.; Miloch, W. J.; Moen, J. I. "High spatial-resolution electron density measurement by Langmuir probe for multi-point observations using tiny spacecraft"  Measurement Science and Technology, Volume 28, Number 11, 2017: https://doi.org/10.1088/1361-6501/aa87e1

Alía, R. G.; Brugger, M.; Danzeca, S.; Cerutti, F.;  Saraiva, J.;  Denz, R.; Ferrari, A.; Foro, L.;  Peronnard, P.; Røed, K., Secondo, R.; Steckert, J.; Thurel, Y.; Taccafondo, I.; Uznanski, S. "Single event effects in high-energy accelerators", Semiconductor Science and Technology, Volume 32, Number 3, February 2017. doi:10.1088/1361-6641/aa5695

 

2016

Zhao, C.; Alme, J.; Appelhäuser, H.; Bratrud, L.; Castro, A.; Costa, F.; David, E.; Gunji, T.; Kirsch, S.; Kiss, T.; Langøy, R.; Lien, R.; Lippmann, C.; Oskarsson, A.; Rehman, A. Ur; Røed, K.; Röhrich, D.; Sekiguchi, Y.; Stuart, M.; Ullaland, K.; Velure, A.; Yang, S.; Österman, L. "First performance results of the ALICE TPC Readout Control Unit 2", Journal of Instrumentation, Volume 11, January 2016, http://dx.doi.org/10.1088/1748-0221/11/01/C01024

2015

Røed, K.; Alme, J.; Askeland, E.; David, E.; Gunji, T.; Helstrup, H.; Kiss, T.; Lippmann, C.; Rehman, A.; Röhrich, D.; Ullaland, K.; Velure, A.; and Zhao. C. "Upgrade of the ALICE TPC FEE online radiation monitoring system". Journal of Instrumentation, Volume 10, December 2015, doi:10.1088/1748-0221/10/12/P12019 

Torgersen, C.; Alme, J; Bratrud, L.; David, E.; Kiss, T.; Lippmann, C.; Røed, K.; Röhrich, D.; Ullaland, K.; and Velure, A.. "Clock and data recovery methods for the readout control unit 2 in ALICE TPC". Journal of Instrumentation, Volume 10, April 2015, doi:10.1088/1748-0221/10/04/C04028  

Zhao, C.; Røed, K.; Alme, J.; Costa, F.; Lippmann, C.; Rehman, A. Ur; Torsvik, I. N.; Kiss, T.; David, E.; Velure, A.; Bratrud, L.; Torgersen, C.; Röhrich, D.; Ullaland, K. "First irradiation tests results of the ALICE TPC Readout Control Unit 2", Journal of Instrumentation, Volume 10, January 2015,  doi:10.1088/1748-0221/10/01/C01016

2014

Garcia Alia, R.; Blackmore, E. W.; Brugger, B.; Danzeca, S.; Ferlet-Cavrois, V.; Gaillard, R.; Mekki, J.; Poivey, C.; Røed, K.; Saigne, F.; Spiezia, G.; Trinczek, M.; Uznanski, S.; Wrobel, F. "SEL Cross Section Energy Dependence Impact on the High Energy Accelerator Failure Rate", Nuclear Science, IEEE Transactions on, Early Acces Article: doi: 10.1109/TNS.2014.2356641 

Garcia Alia, R.; Brugger, M.; Danzeca, S.: Ferlet-Cavrois, V.: Poivey, C.; Røed, K.; Saigne, F.; Spiezia, G.; Uznanski, S.; Wrobel, F. "Energy Dependence of Tungsten-Dominated SEL Cross Sections", Nuclear Science, IEEE Transactions on, vol.61, no.5, pp.2718-2726, December. 2013, doi:10.1109/TNS.2014.2350538

2013

Alme, J.; Alt, T.; Bratrud, L.; Christiansen, P.; Costa, F.; David, E.; Gunji, T.; Kiss, T.; Langøy, R.; Lien, J.; Lippmann, C.; Oskarsson, A.; Rehman, A. Ur; Røed, K.; Röhrich, D.; Tarantola, A.; Torgersen, C.; Torsvik, I. N.; Ullaland, K.; Velure, A.; Yang, S.; Zhao, C.; Appelhäuser, H.; Österman, L. "RCU2 - The ALICE TPC readout electronics consolidation for Run2", Journal of Instrumentation, Volume 8, December 2013,  doi:10.1088/1748-0221/8/12/C12032

Zhao, C.; Liu, L.; Røed, K.; Röhrich, D.; Kharlov, Y.; Bratrud, L.; Alme, J.; Skaali, T. B. "Preformance of the ALICE PHOS trigger and improvements for RUN 2", Journal of Instrumentation, Volume 8, December 2013,  doi:10.1088/1748-0221/8/12/C12028

Garcia Alia, R.; Brugger, M.; Danzeca, S.: Ferlet-Cavrois, V.: Poivey, C.; Røed, K.; Saigne, F.; Spiezia, G.; Uznanski, S.; Wrobel, F. "SEE Measurements and Simulations Using Mono-Energetic GeV-Energy Hadron Beams", Nuclear Science, IEEE Transactions on, vol.60, no.6, pp.4142-4149, December. 2013, doi:10.1109/TNS.2013.2279690

Mekki, J. ; Brugger, M. ; Danzeca, S. ; Dusseau, L. ; Røed, K. ; Spiezia, G. "Mixed Particle Field Influence on RadFET Responses Using Co-60 Calibration", Nuclear Science, IEEE Transactions on, vol.60, no.4, p. 2435-2443, August 2013,: doi: 10.1109/TNS.2013.2253800

Garcia Alia, R.; Biskup, B.; Brugger, B.; Calviani, M.; Poivey, C.; Røed, K.; Saigne, F.; Spiezia, G.; Wrobel, F. "SEU Measurements and Simulations in a Mixed Field Environment", Nuclear Science, IEEE Transactions on, Vol.60, no.4, p.2469-2476, August 2013: doi: 10.1109/TNS.2013.2249096

Alme, J.; Fehlker, D.; Lippmann, C.; Mager, M.; Rehman, A. U.; Røed, K.; Röhrich, D.; Ullaland, K. "Radiation tolerance studies using fault injection on the Readout Control FPGA design of the ALICE TPC detector", Journal of Instrumentation, Volume 8, January 2013, doi:10.1088/1748-0221/8/01/C01053

2012

Røed, K.; Brugger, M.; Kramer, D.; Peronnard, P.; Pignard, C.; Spiezia, G.; Thornton, A., "Method for Measuring Mixed Field Radiation Levels Relevant for SEEs at the LHC," Nuclear Science, IEEE Transactions on , vol.59, no.4, pp.1040-1047, Aug. 2012, doi: 10.1109/TNS.2012.2183677

2011

Røed, K.; Alme, J.; Fehlker, D.; Lippmann, C.; Rehman, A. U. "First measurements of single event upsets in the readout control FPGa of the ALICE TPC detector", Journal of Instrumentation, Volume 6, December 2011, doi:10.1088/1748-0221/6/12/C12022

Mekki, J.; Batuca, S.; Brugger, M.;  Calviani, M.;  Ferrari, A.; Kramer, D.; Losito, R.; Masi, A.; Nyul, A.;  Peronnard, P.; Pignard, C.; Røed, K.; Wijnands, T. "The LHC Radiation Monitoring System - RadMon", 10th International Conference on Large Scale Applications and Radiation Hardness of Semiconductor Detectors, Firenze, Italy, July 6-8, 2011. URL: http://pos.sissa.it/archive/conferences/143/024/RD11_024.pdf

Røed, K.; Boccone, V.; Brugger, M.; Ferrari, A.; Kramer, D.; Lebbos, E.; Losito, R.; Mereghetti, A.; Spiezia, G.; Versaci, R.; "FLUKA Simulations for SEE Studies of Critical LHC Underground Areas," Nuclear Science, IEEE Transactions on , vol.58, no.3, pp.932-938, June 2011, doi: 10.1109/TNS.2010.2097605

Kramer, D.; Brugger, M.; Klupak, V.; Pignard, C.; Røed, K.; Spiezia, G.; Viererbl, L.; Wijnands, T.; "LHC RadMon SRAM Detectors Used at Different Voltages to Determine the Thermal Neutron to High Energy Hadron Fluence Ratio," Nuclear Science, IEEE Transactions on , vol.58, no.3, pp.1117-1122, June 2011, doi: 10.1109/TNS.2011.2105891

Røed, K.; Alme, J.; Fehlker, D.; Helstrup, H.; Richter, M.; Röhrich, D.; Ullaland, K. "Fault injection as a test method for an FPGA in charge of data readout for a large tracking detector", Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 629, Issue 1, 11 February 2011, Pages 260-268, ISSN 0168-9002, http://dx.doi.org/10.1016/j.nima.2010.12.033

2009

Røed, K.; Alme, J.; Fehlker, D; Richter, M; Ullaland, K.; Helstrup, H.; Röhrich, D. "Radiation tolerance of an SRAM based FPGA used in a large tracking detector"
Proceedings of the 9th International Conference on Large Scale Applications and Radiation Hardness of Semiconductor Detectors, 2009. Florence, Italy.
URL: http://pos.sissa.it/archive/conferences/098/043/RD09_043.pdf

 

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  • Wyrwoll, Vanessa; Delfs, B.; Lapp, M.; Poppinga, D.; Martinéz, P. Fernandéz & Kastriotou, M. [Show all 11 contributors for this article] (2023). Corrigendum to “On-line beam monitoring and dose profile measurements of a 208Pb beam of 150 GeV/n with a liquid-filled ionization chamber array” [Nucl. Inst. Methods Physics Res., A 987 (2021) 164831](S0168900220312286)(10.1016/j.nima.2020.164831). Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment. ISSN 0168-9002. 1057. doi: 10.1016/j.nima.2023.168693.
  • Acharya, S.; Adamova, D.; Adler, A.; Adolfsson, J.; Aglieri Rinella, Rinella & Agnello, M. [Show all 1,025 contributors for this article] (2022). Publisher Correction: Direct observation of the dead-cone effect in quantum chromodynamics (Nature, (2022), 605, 7910, (440-446), 10.1038/s41586-022-04572-w). Nature. ISSN 0028-0836. 607(7920). doi: 10.1038/s41586-022-05026-z.

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Published Dec. 19, 2012 10:11 AM - Last modified Feb. 21, 2024 9:56 AM