| Optical properties of human brain LO Svaasand, R Ellingsen Photochemistry and photobiology 38 (3), 293-299, 1983 | 324 | 1983 |
| Fiber optic probes E Ronnekleiv, A Berg, JT Kringlebotn, R Ellingsen, DR Hjeime US Patent 7,003,184, 2006 | 161 | 2006 |
| Cryosurgical apparatus and methods LO Svaasand, R Ellingsen, HC Boldstad, DR Hjelme US Patent 7,081,111, 2006 | 143 | 2006 |
| A review of optical methods for continuous glucose monitoring IL Jernelv, K Milenko, SS Fuglerud, DR Hjelme, R Ellingsen, A Aksnes Applied Spectroscopy Reviews 54 (7), 543-572, 2019 | 123 | 2019 |
| A review of the current challenges associated with the development of an artificial pancreas by a double subcutaneous approach SC Christiansen, AL Fougner, Ø Stavdahl, K Kölle, R Ellingsen, ... Diabetes Therapy 8, 489-506, 2017 | 50 | 2017 |
| High-resolution diode-laser spectroscopy of calcium GMTLH A. S. Zibrov, R. W. Fox, R. Ellingsen, C. S. Weimer, V. L. Velichansky Applied Physics B 59, 327-331, 1994 | 46 | 1994 |
| Temperature measurement in soft tissue using a distributed fibre Bragg-grating sensor system E Samset, T Mala, R Ellingsen, I Gladhaug, O Søreide, E Fosse Minimally Invasive Therapy & Allied Technologies 10 (2), 89-93, 2001 | 45 | 2001 |
| Fiber optic probe for temperature measurements in biological media R Ellingsen US Patent 7,048,732, 2006 | 42 | 2006 |
| Feasibility of early meal detection based on abdominal sound K Kölle, AL Fougner, R Ellingsen, SM Carlsen, Ø Stavdahl IEEE journal of translational engineering in health and medicine 7, 1-12, 2019 | 30 | 2019 |
| Optical sensing of measurands DR Hjelme, A Berg, R Ellingsen, B Falch, A Bjørkøy, D Østling US Patent 7,440,110, 2008 | 30 | 2008 |
| The artificial pancreas: A dynamic challenge Ø Stavdahl, AL Fougner, K Kölle, SC Christiansen, R Ellingsen, ... IFAC-PapersOnLine 49 (7), 765-772, 2016 | 25 | 2016 |
| Effects of noise on transients of injection locked semiconductor lasers MR Surette, DR Hjelme, R Ellingsen, AR Mickelson IEEE journal of quantum electronics 29 (4), 1046-1063, 1993 | 24 | 1993 |
| Effect of sensor location on continuous intraperitoneal glucose sensing in an animal model MK Åm, K Kölle, AL Fougner, I Dirnena-Fusini, PC Bösch, R Ellingsen, ... PLoS One 13 (10), e0205447, 2018 | 15 | 2018 |
| Intraperitoneal glucose sensing is sometimes surprisingly rapid AL Fougner, K Kölle, NK Skjærvold, NAL Elvemo, DR Hjelme, R Ellingsen, ... | 15 | 2016 |
| Optimization of SERS sensing with micro-lensed optical fibers and Au nano-film K Milenko, SS Fuglerud, A Aksnes, R Ellingsen, DR Hjelme Journal of Lightwave Technology 38 (7), 2081-2085, 2019 | 14 | 2019 |
| Optical sensing of measurands DR Hjelme, A Berg, R Ellingsen, B Falch, A Bjørkøy, D Østling US Patent 7,602,498, 2009 | 13 | 2009 |
| Risk analysis for the design of a safe artificial pancreas control system K Kölle, AL Fougner, MA Lundteigen, SM Carlsen, R Ellingsen, ... Health and Technology 9, 311-328, 2019 | 12 | 2019 |
| Glucose sensing by absorption spectroscopy using lensed optical fibers SS Fuglerud, KB Milenko, R Ellingsen, A Aksnes, DR Hjelme Applied Optics 58 (10), 2456-2462, 2019 | 9 | 2019 |
| Micro-lensed optical fibers for a surface-enhanced Raman scattering sensing probe K Milenko, SS Fuglerud, SB Kjeldby, R Ellingsen, A Aksnes, DR Hjelme Optics Letters 43 (24), 6029-6032, 2018 | 9 | 2018 |
| Fiber-optic biosensor technology for rapid, accurate and specific detection of enzymes DR Hjelme, O Aune, B Falch, D Østling, R Ellingsen Nonlinear Photonics, JTu6A. 3, 2014 | 9 | 2014 |
