Magnus Engholm

Forskare

  • Tjänstetitel: Forskare
  • Avdelning: Institutionen för elektronikkonstruktion (EKS)
  • Telefon arbete: 010-142 87 37
  • E-postadress: magnus.engholm@miun.se
  • Forskningscentra: Sensible Things that Communicate

Publikationer

Artiklar i tidskrifter

Engholm, M. , Hammarling, K. , Andersson, H. , Sandberg, M. & Nilsson, H. (2019). A Bio-Compatible Fiber Optic pH Sensor Based on a Thin Core Interferometric Technique. Photonics, vol. 6: 1    

Andersson, H. , Šuly, P. , Thungström, G. , Engholm, M. , Zhang, R. , Mašlík, J. & Olin, H. (2019). PEDOT : PSS thermoelectric generators printed on paper substrates. Journal of Low Power Electronics and Applications, vol. 9: 2    

Zhang, R. , Hummelgård, M. , Örtegren, J. , Yang, Y. , Andersson, H. , Balliu, E. , Blomquist, N. , Engholm, M. & et al. (2019). Sensing body motions based on charges generated on the body. Nano Energy, vol. 63  

Hammarling, K. , Engholm, M. , Andersson, H. , Sandberg, M. & Nilsson, H. (2018). Broad-Range Hydrogel-Based pH Sensor with Capacitive Readout Manufactured on a Flexible Substrate. Chemosensors, vol. 6: 3    

Zhang, R. , Engholm, M. , Hummelgård, M. , Andersson, H. , Örtegren, J. & Olin, H. (2018). High-performance transparent and flexible electrodes made by flash-light sintering of gold nanoparticles. ACS Applied Energy Materials, vol. 1: 12, ss. 7191-7198.  

Zhang, R. , Hummelgård, M. , Forsberg, V. , Andersson, H. , Engholm, M. , Öhlund, T. , Olsen, M. , Örtegren, J. & et al. (2018). Photoconductivity of acid exfoliated and flash-light-processed MoS2 films. Scientific Reports, vol. 8    

Zhang, R. & Engholm, M. (2018). Recent Progress on the Fabrication and Properties of Silver Nanowire-Based Transparent Electrodes. Nanomaterials, vol. 8: 8    

Balliu, E. , Andersson, H. , Engholm, M. , Öhlund, T. , Nilsson, H. & Olin, H. (2018). Selective laser sintering of inkjet-printed silver nanoparticle inks on paper substrates to achieve highly conductive patterns. Scientific Reports, vol. 8: 1    

Hammarling, K. , Sandberg, M. , Engholm, M. , Andersson, H. & Nilsson, H. (2018). Synthesis, Curing Behavior and Swell Tests of pH-Responsive Coatings from Acryl-Terminated Oligo(beta-Amino Esters). CHEMOSENSORS, vol. 6: 1    

Rydberg, S. & Engholm, M. (2013). Charge transfer processes and UV induced absorption in Yb:YAG single crystal laser materials. Optical Materials Express, vol. 113: 22, ss. Art. no. 223510    

Rydberg, S. & Engholm, M. (2013). Experimental evidence for the formation of divalent Ytterbium in the photodarkening process of Yb-doped fiber lasers. Optics Express, vol. 21: 6, ss. 6681-6688.    

Engholm, M. , Jelger, P. , Laurell, F. & Norin, L. (2009). Improved photodarkening resistivity in ytterbium-doped fiber lasers by cerium codoping. Optics Letters, vol. 34: 8, ss. 1285-1287.  

Engholm, M. & Norin, L. (2008). Preventing Photodarkening in Ytterbium-Doped High Power Fiber Lasers; Correlation to the UV-Transparency of the Core Glass. Optics Express, vol. 16: 2, ss. 1260-1268.  

Engholm, M. & Norin, L. (2007). Comment on:"Photodarkeningin Yb-doped aluminosilicate fiber induced by 488nm irradiation". Optical Letter, vol. 33: 11, ss. 1216.

Engholm, M. & Norin, L. (2007). Strong UV absorption and visible luminescence in ytterbium-doped aluminosilicate glass under UV excitation. Optics Letters, vol. 32: 22, ss. 3352-3354.  

Engholm, M. , Norin, L. , Edvardsson, S. , Lashgari, K. & Westin, G. (2006). A structural investigation of a synthesized precursor for fiber optical applications; the heterobimetallic ErNb_2(OPr^i)_13. Optical materials (Amsterdam), vol. 29: 4, ss. 386-391.  

Engholm, M. , Lashgari, K. , Edvardsson, S. , Westin, G. & Norin, L. (2005). Atomically designed precursors in optical fiber amplifiers : The thermal stability of the heteroimetallic ErAl_3(OPri)_12 in a solution-coated silica soot. Journal of Applied Physics, vol. 97: 11, ss. 113104  

Åberg, D. , Edvardsson, S. & Engholm, M. (2003). Direct calculation of correlated absorption amplitudes for Nd:LiYF4. Physical Review B. Condensed Matter and Materials Physics, vol. 68: 19  

Edvardsson, S. , Karlsson, K. G. & Engholm, M. (2002). Accurate spin axes and solar system dynamics: climatic variations for the Earth and Mars. Astronomy & Astrophysics, vol. 384: 2, ss. 689-701.  

Artiklar, forskningsöversikter

Maslik, J. , Andersson, H. , Forsberg, V. , Engholm, M. , Zhang, R. & Olin, H. (2018). PEDOT:PSS temperature sensor ink-jet printed on paper substrate. Journal of Instrumentation, vol. 13  

Doktorsavhandlingar, sammanläggningar

Engholm, M. (2008). Materials optimization for optical fiber amplifiers and fiber lasers. Diss. (Sammanläggning) Sundvall : Mid Sweden University, 2008 (Mid Sweden University doctoral thesis : 50)

Konferensbidrag

Balliu, E. , Engholm, M. & Nilsson, H. (2019). A compact, single-frequency, high-power, SBS-free, Yb-doped single-stage fiber amplifier. I Proceedings of SPIE - The International Society for Optical Engineering.. S. 6pp-  

Hammarling, K. , Muri, H. I. , Wahl, M. S. , Engholm, M. & Hjelme, D. R. (2018). A combined glucose and pH sensor on a single optical fiber for continuous point-of-care testing. I SPIE BIOS, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVIII.

Muri, H. I. , Hammarling, K. , Wahl, M. , Engholm, M. & Hjelme, D. R. (2018). Combining interferometric sensors for dual parameter fiber optic chemical sensing. I Optics InfoBase Conference Papers.  

Forsberg, V. , Andersson, H. , Engholm, M. , Thungström, G. , Zhang, R. , Hummelgård, M. , Olin, H. & Norgren, M. (2018). Photodetector of multilayer exfoliated MoS2 deposited on polyimide films. Paper presented at the 20th International Workshop on Radiation Imaging Detectors, Sundsvall, 24-28 June, 2018

Mazlik, J. , Andersson, H. , Forsberg, V. , Engholm, M. , Zhang, R. & Olin, H. (2018). Temperature sensor based on PEDOT : PSS ink-jet printed on paper substrate. Paper presented at the 20th International Workshop on Radiation Imaging Detectors, Sundsvall, 24-28 June, 2018

Hammarling, K. , Engholm, M. , Muri, H. I. , Wahl, M. S. & Hjelme, D. R. (2017). Dual parameter fiber optic sensor combining a Fabry-Perot and a Mach-Zehnder interferometer. I Proceedings of IEEE Sensors. (IEEE Sensors). S. 1440--1442.

Balliu, E. , Andersson, H. , Engholm, M. , Forsberg, S. & Olin, H. (2016). Laser-assisted reduction of graphene oxide for paper based large area flexible electronics. I Proceedings of SPIE - The International Society for Optical Engineering.  

Balliu, E. , Andersson, H. , Hummelgård, M. , Olin, H. & Engholm, M. (2015). Laser sintering of silver nano-particles inks printed on paper substrates. I Proceedings of SPIE - The International Society for Optical Engineering.. S. Art. no. 935112-  

Balliu, E. , Engholm, M. , Hellström, J. , Elgcrona, G. & Karlsson, H. (2014). Compact nanosecond pulsed single stage Yb-doped fiber amplifier. I Proceedings of SPIE - The International Society for Optical Engineering.. S. Art. no. 895910-  

Norin, L. & Engholm, M. (2013). On the origin of color centers in photodarkened Yb-fibers. I Optics InfoBase Conference Papers. (Optics InfoBase Conference Papers)

Engholm, M. , Rydberg, S. & Hammarling, K. (2013). Strong excited state absorption (ESA) in Yb-doped fiber lasers. I FIBER LASERS X: TECHNOLOGY, SYSTEMS, AND APPLICATIONS. (Proceedings of SPIE). S. Art. no. 86010P-  

Rydberg, S. C. & Engholm, M. (2012). Photodarkening mechanisms in ytterbium fiber lasers; a comparison of UV-induced losses in glass and crystalline materials. I 2012 Conference on Lasers and Electro-Optics, CLEO 2012.. S. Art. no. 6326558-

Zeil, P. , Malmstrom, M. , Engholm, M. , Jelger, P. , Jacobsson, B. , Pasiskevicius, V. & Laurell, F. (2011). Extended tunability of narrow-linewidth Yb-fiber laser. I 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011.. S. Art. no. 5950619-

Engholm, M. & Norin, L. (2009). The role of charge transfer processes for the induced optical lossesin ytterbium doped fiber lasers. I The role of charge transfer processes for the induced optical lossesin ytterbium doped fiber lasers.

Engholm, M. & Norin, L. (2008). Materials optimization for ytterbium-doped high power fiber lasers. I 2008 CONFERENCE ON LASERS AND ELECTRO-OPTICS & QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE, VOLS 1-9. New York : . S. 232--233.

Engholm, M. & Norin, L. (2008). Reduction of photodarkening in Yb/Al-doped fiber lasers. I Proceedings of SPIE - The International Society for Optical Engineering. (PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS). S. U269--U276.  

Engholm, M. & Norin, L. (2007). Divalent Ytterbium in Ytterbium Doped Aluminosilicate Glass - Aspects on Photodarkening in Fiber Lasers. I 2007 CONFERENCE ON LASERS & ELECTRO-OPTICS/QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (CLEO/QELS 2007), VOLS 1-5. New York : . S. 1902--1903.

Lashgari, K. , Kritikos, M. , Engholm, M. , Norin, L. , Edvardsson, S. & Westin, G. (2006). Sol-gel preparation of Er-doped planar and fibre wave-guides using heterometallic. I SPIE conference, San Diego (2006)..

Manuskript

Engholm, M. , Vanin, E. & Norin, L. Characterization of Erbiuim Crystallites Embedded in Silica Glass.