David Krapohl

Universitetslektor|Senior Lecturer

Forskningsområden

Hybrid pixeldetektorer (Medipix/Timepix)
Utläsningssystem
Röntgenavbildning
Neutron(pixel)detektorer
Pixeldetektor simulering (FEM, Monte Carlo)

Forskning

Medipix Kollaboration (CERN)
Timepix3 USB3 utläsningselektronik ( i kollaboration med Glasgow University)

Undervisning

- Digitalteknik med PLC
- Digitalteknik med VHDL
- Byggnadens automationssystem
Handledning av exjobb på Kandidat och Masternivå

Övrigt

If you are interested in a Master-by-Research position, feel free to send me an email. More information about research groups and projects as well as the Master programme is available here: https://www.miun.se/en/stc-research-centre/Research-Groups/Detector-and-Photonics https://www.miun.se/en/stc-research-centre/Research-Groups/Radiation-Sensor-Systems https://www.miun.se/en/stc-research-centre/Master-By-Research/

Publikationer

Artiklar i tidskrifter

An, S. , Krapohl, D. , Thörnberg, B. , Roudot, R. , Schyns, E. & Norlin, B. (2023). Characterization of micro pore optics for full-field X-ray fluorescence imaging. Journal of Instrumentation, vol. 18: 01    

An, S. , Krapohl, D. , González, C. , Rydblom, S. , Norlin, B. & Thungström, G. (2023). Geometrical influence on Hg determination in wet sediment using K-shell fluorescence analysis. X-Ray Spectrometry, vol. 52: 4, ss. 182-196.    

Norlin, B. , An, S. , Granfeldt, T. , Krapohl, D. , Lai, B. , Rahman, H. , Zeeshan, F. & Engstrand, P. (2023). Visualisation of sulphur on single fibre level for pulping industry. Journal of Instrumentation, vol. 18: 01, ss. C01012-C01012.    

An, S. , Krapohl, D. , Norlin, B. & Thungström, G. (2020). Full-field X-ray fluorescence imaging with a straight polycapillary X-ray collimator. Journal of Instrumentation, vol. 15: 12    

Dreier, T. , Krapohl, D. , Maneuski, D. , Lawal, N. , Schöwerling, J. O. , O'Shea, V. & Fröjdh, C. (2018). A USB 3.0 readout system for Timepix3 detectors with on-board processing capabilities. Journal of Instrumentation, vol. 13    

Krapohl, D. , Schubel, A. , Fröjdh, E. , Thungström, G. & Fröjdh, C. (2016). Validation of Geant4 Pixel Detector Simulation Framework by Measurements with the Medipix Family Detectors. IEEE Transactions on Nuclear Science, vol. 63: 3, ss. 1874-1881.  

Norlin, B. , Reza, S. , Krapohl, D. , Fröjdh, E. & Thungström, G. (2015). Readout cross-talk for alpha-particle measurements in a pixelated sensor system. Journal of Instrumentation, vol. 10      

Schübel, A. , Krapohl, D. , Fröjdh, E. , Fröjdh, C. & Thungström, G. (2014). A Geant4 based framework for pixel detector simulation. Journal of Instrumentation, vol. 9: 12  

Thungström, G. , Esebamen, O. X. , Krapohl, D. , Fröjdh, C. , Nilsson, H. , Petersson, S. & Brenner, R. (2014). Fabrication, Characterization and Simulation of Channel Stop for n in p-Substrate Silicon Pixel Detectors. Journal of Instrumentation, vol. 9: 7, ss. Art. no. C07013  

Krapohl, D. , Fröjdh, C. , Fröjdh, E. , Maneuski, D. & Nilsson, H. (2013). Investigation of charge collection in a CdTe-Timepix detector. Journal of Instrumentation, vol. 8: May, ss. Art. no. C05003    

Thungström, G. , Harrnsdorf, L. , Norlin, B. , Reza, S. , Krapohl, D. , Mattsson, S. & Gunnarsson, M. (2013). Measurement of the sensitive profile in a solid state silicon detector, irradiated by X-rays. Journal of Instrumentation, vol. 8: 4, ss. Art. no. C04004  

Fröjdh, E. , Fröjdh, C. , Gimenez, E. N. , Krapohl, D. , Maneuski, D. , Norlin, B. , O'Shea, V. , Wilhelm, H. & et al. (2013). Probing Defects in a Small Pixellated CdTe Sensor Using an Inclined Mono Energetic X-Ray Micro Beam. IEEE Transactions on Nuclear Science, vol. 60: 4, ss. 2864-2869.  

Slavicek, T. , Kralik, M. , Krapohl, D. , Petersson, S. , Pospisil, S. & Thungström, G. (2012). A thermal neutron detector based on planar silicon sensor with TiB 2 coating. Journal of Instrumentation, vol. 7: 1, ss. Art. no. C01053  

Krapohl, D. , Nilsson, H. , Petersson, S. , Pospisil, S. , Slavicek, T. & Thungström, G. (2012). Simulation of a silicon neutron detector coated with TiB 2 absorber. Journal of Instrumentation, vol. 7: 1, ss. Art. no. C01096  

Esebamen, O. X. , Krapohl, D. , Thungström, G. & Nilsson, H. (2011). High resolution, low energy electron detector. Journal of Instrumentation, vol. 6: 1, ss. Art. no. P01001  

Krapohl, D. , Esebamen, O. X. , Nilsson, H. & Thungström, G. (2011). Simulation and measurement of short infrared pulses on silicon position sensitive device. Journal of Instrumentation, vol. 6: C01036  

Doktorsavhandlingar

Krapohl, D. (2015). Monte Carlo and Charge Transport Simulation of Pixel Detector Systems. Diss. (Sammanläggning) Sundsvall : Mid Sweden University, 2015 (Mid Sweden University doctoral thesis : 215)  

Kapitel i böcker, del av antologier

Thörnberg, B. , Krapohl, D. & Norlin, B. (2024). Avbildande materialanalys. I Globala utmaningar – lokala lösningar : Forskning för en hållbar samhällsutveckling i norra Sverige. Mittuniversitetet. S. 37-38.

Konferensbidrag

Zeeshan, F. , Norlin, B. , Rahman, H. , Huthwelker, T. , Krapohl, D. , An, S. & Borca, C. N. (2022). Synchrotron measurements of Sulphonation degree from Chemimechanical pulp (CTMP) to optimize the pulping process for packaging products. Paper presented at the International Mechanical Pulp Conference (IMPC), Vancouver, Canada, June 2022

Zeeshan, F. , An, S. , Norlin, B. , Krapohl, D. & Rahman, H. (2021). Study of heavy metals including mercury within Fiber Banks of Västernorrland and Norrbotten counties by portable X-RayFluorescence (pXRF) spectrometry. I Accelerating the progress towards the 2030 SDGs in times of crisis.. S. 265--276.  

Fröjdh, C. , Krapohl, D. & Thungström, G. (2016). Hard X-ray imaging and particle detection with TIMEPIX3. I Proceedings of SPIE - The International Society for Optical Engineering. (Proceedings of SPIE)  

Krapohl, D. (2013). Comparison of energy resolution spectra of CdTe TIMEPIX detector working in photon counting and time-over-threshold mode. I IEEE Nuclear Science Symposium Conference Record.. S. Art. no. 6829825-  

Fröjdh, C. , Krapohl, D. , Reza, S. , Fröjdh, E. , Thungström, G. & Norlin, B. (2013). Spectral resolution in pixel detectors with single photon processing. I Proceedings of SPIE - The International Society for Optical Engineering. (Proceedings of SPIE). S. Art. no. 88520O-  

Fröjdh, E. , Fröjdh, C. , Gimenez, E. , Krapohl, D. , Maneuski, D. , O'Shea, V. , Norlin, B. , Wilhelm, H. & et al. (2012). Probing Defects in a Small Pixellated CdTe Sensor Using an Inclined Mono Energetic X-Ray Micro Beam. I 2012 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE RECORD (NSS/MIC). (IEEE Nuclear Science Symposium Conference Record). S. 4233--4236.

Krapohl, D. , Norlin, B. , Fröjdh, E. , Thungström, G. & Fröjdh, C. (2010). Simulation of the Spectral Response of a Pixellated X-Ray Imaging Detector in Single Photon Processing Mode. I 2010 Nuclear Science Symposium and Medical Imaging Conference.  

Norlin, B. , Fröjdh, E. , Krapohl, D. , Fröjdh, A. , Thungström, G. & Fröjdh, C. (2010). Spectroscopic X-Ray Imaging Using a Pixelated Detector with Single Photon Processing Readout. I Proceedings of 2010 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE. (IEEE Nuclear Science Symposium Conference Record). S. 1074--1078.

Krapohl, D. , Loeffler, S. , Moser, A. & Hofmann, U. G. (2009). Microstimulation in The Brain : Does Microdialysis Influence the Activated Volume of Tissue?. I Proceedings of the COMSOL Conference Milan 2009. Milan :  

Sidan uppdaterades 2024-09-13