David Krapohl

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David has a PhD degree in electronics from Mid Sweden University with a focus on the simulation of hybride pixel detectors and neutron detectors. Now he is working with pixelated solid state neutron detectors based on a neutron converter on top of Timepix detectors.

David Krapohl has an engineering degree in mechatronics from Aachen University of Applied Sciences, Aachen, Germany. Half a year was a student exchange at Mälardalen University, Sweden.

Before coming to Sweden he worked as a research engineer at the University of Lübeck in the field of neuroscience (FEM simulation) and as a student assistant at the Fraunhofer Institute for Laser Technology.

Area of interest

Hybride pixeldetectors (Medipix/Timepix)
Readout systems
X-ray radiation
Neutron (pixel) detectors
Pixel detector simulations (FEM, Monte Carlo)

Current research

Medipix Collaboration (CERN)
Design of a semiconductor-based neutron detector (BrightnESS)
Timepix3 USB3 readout electronics (Glasgow University)

Teaching and tutoring

Program manager for Automation study program
Course responsible in "Mätteknik för ingenjörer"
Lab responsible in "Ellära 1"
Supervision of a Master-by-Research student

Other information

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/

Publications

Articles in journals
Conference papers
Doctoral theses, comprehensive summaries

Articles in journals

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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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  

Conference papers

Fröjdh, C. , Krapohl, D. & Thungström, G. (2016). Hard X-ray imaging and particle detection with TIMEPIX3. In 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. In IEEE Nuclear Science Symposium Conference Record.. pp. 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. In Proceedings of SPIE - The International Society for Optical Engineering. (Proceedings of SPIE). pp. 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. In 2012 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE RECORD (NSS/MIC). (IEEE Nuclear Science Symposium Conference Record). pp. 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. In 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. In Proceedings of 2010 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE. (IEEE Nuclear Science Symposium Conference Record). pp. 1074--1078.

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

Doctoral theses, comprehensive summaries

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