Christer Fröjdh

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Articles in journals

Reza, S. , Pelzer, G. , Weber, T. , Fröjdh, C. , Bayer, F. , Anton, G. , Rieger, J. , Thim, J. & et al. (2014). Investigation on the directional dark-field signals from paperboards using a grating interferometer. Journal of Instrumentation, vol. 9, pp. Art. no. C04032

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

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, pp. Art. no. C12018

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

Norlin, B. , Fröjdh, C. & Fröjdh, E. (2013). Spectral X-ray imaging with single photon processing detectors. Journal of Instrumentation, vol. 8, pp. Art. no. C02010

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.

Reza, S. , Norlin, B. , Thim, J. & Fröjdh, C. (2013). Non-Destructive Method to Resolve the Core and the Coating on Paperboard by Spectroscopic X-ray Imaging. Nordic Pulp & Paper Research Journal, vol. 28: 3, pp. 439-442.

Reza, S. , Wong, W. S. , Fröjdh, E. , Norlin, B. , Fröjdh, C. , Thungstörm, G. & Thim, J. (2012). Smart dosimetry by pattern recognition using a single photon counting detector system in time over threshold mode. Journal of Instrumentation, vol. 7: 1, pp. Art. no. C01027

Maneuski, D. , Astromskas, V. , Fröjdh, E. , Fröjdh, C. , Gimenez, E. , Marchal, J. , O'Shea, V. , Stewart, G. & et al. (2012). Imaging and spectroscopic performance studies of pixellated CdTe Timepix detector. Journal of Instrumentation, vol. 7: 1, pp. Art. no. C01038

Fröjdh, E. , Fröjdh, C. , Gimenez, E. , Maneuski, D. , Marchal, J. , Norlin, B. , O'Shea, V. , Stewart, G. & et al. (2012). Depth of interaction and bias voltage dependence of the spectral response in a pixellated CdTe detector operating in time-over-threshold mode subjected to monochromatic X-rays. Journal of Instrumentation, vol. 7: 3, pp. Art. no. C03002

Fröjdh, E. , Fröjdh, A. , Norlin, B. & Fröjdh, C. (2011). Spectral response of a silicon detector with 220 mu m pixel size bonded to MEDIPIX2. Nuclear Instruments and Methods in Physics Research Section A, vol. 633: Supplement 1, pp. S125-S127.

Fröjdh, A. , Fröjdh, E. , Thungström, G. , Fröjdh, C. & Norlin, B. (2011). Processing and characterization of a MEDIPIX2-compatible silicon sensor with 220 mu m pixel size. Nuclear Instruments and Methods in Physics Research Section A, vol. 633: Suppl 1, pp. S78-S80.

Fröjdh, E. , Norlin, B. , Thungström, G. & Fröjdh, C. (2011). X-ray absorption and charge transport in a pixellated CdTe detector with single photon processing readout. Journal of Instrumentation, vol. 6: 2, pp. Art. no. P02012

Fröjdh, A. , Thungstrom, G. , Frojdh, C. & Petersson, S. (2011). An optimized system for measurement of radon levels in buildings by spectroscopic measurement of radon progeny. Journal of Instrumentation, vol. 6: 12, pp. art. no. C12018

Norlin, B. & Fröjdh, C. (2009). Characterisation of spectral performance of pixellated X-ray imaging detectors in a microscopy setup. Nuclear Instruments and Methods in Physics Research Section A, vol. 607: 1, pp. 199-201.

Lars, H. , Björk, M. , Cederquist, B. , Mattsson, C. , Thungström, G. & Fröjdh, C. (2009). Point Dose Profile Measurments using Solid State Detectors in Characterization of Computed Tomograhy Systems. Nuclear Instruments and Methods in Physics Research Section A, vol. 607: 1, pp. 223-225.

Tlustos, L. , Campbell, M. , Fröjdh, C. , Kostamo, P. & Nenonen, S. (2008). Characterisation of an epitaxial GaAs/Medipix2 detctor using fluorescence photons. Nuclear Instruments and Methods in Physics Research Section A, vol. 591: 1, pp. 42-45.

Kostamo, P. , Nenonen, S. , Vähänen, S. , Tlustos, L. , Fröjdh, C. , Campbell, M. , Zhilyaev, Y. & Lipsanen, H. (2008). GaAs Medipix2 hybrid pixel detector. Nuclear Instruments and Methods in Physics Research Section A, vol. 591: 1, pp. 174-177.

Nilsson, H. , Norlin, B. , Fröjdh, C. & Tlustos, L. (2007). Charge sharing suppression using pixel-to-pixel communication in photon counting X-ray imaging systems. Nuclear Instruments and Methods in Physics Research Section A, vol. 576: 1, pp. 243-247.

Norlin, B. , Fröjdh, C. & Nilsson, H. (2007). Spectral performance of a pixellated X-ray imaging detector with suppressed charge sharing. Nuclear Instruments and Methods in Physics Research Section A, vol. A 576: 1, pp. 248-250.

Uher, J. , Fröjdh, C. , Jakubek, J. , Kenney, C. , Kohout, Z. , Linhart, V. , Parker, S. , Petersson, S. & et al. (2007). Characterization of 3D thermal neutron semiconductor detectors. Nuclear Instruments and Methods in Physics Research Section A, vol. 576: 1, pp. 32-37.

Fröjdh, C. , Graafsma, H. , Norlin, B. , Nilsson, H. & Ponchut, C. (2006). Characterization of a pixellated CdTe detector with single-photon processing readout. Nuclear Instruments and Methods in Physics Research Section A, vol. 563: 563, pp. 128-132.

Norlin, B. , Fröjdh, C. , Nilsson, H. , Graafsma, H. , Vonk, V. & Ponchut, C. (2006). Characterisation of the charge sharing in pixellated Si detectors with single-photon processing readout. Nuclear Instruments and Methods in Physics Research Section A, vol. A 563: 1, pp. 133-136.

Badel, X. , Norlin, B. , Kleimann, P. , Williams, L. , Moody, S. , Tyrrell, G. , Fröjdh, C. & Linnros, J. (2006). Performance of Scintillating Waveguides for CCD-based X-ray Detectors. IEEE Transactions on Nuclear Science, vol. 53: 1, pp. 3-8.

Norlin, B. & Fröjdh, C. (2005). Energy dependence in dental imaging with Medipix2. Nuclear Instruments and Methods in Physics Research Section A, vol. 546: 1-2, pp. 19-23.

Nilsson, H. , Mattsson, C. , Norlin, B. , Fröjdh, C. , Bethke, K. & De Vries, R. (2005). Evaluation of the charge sharing effects on spot intensity in XRD setup using photon counting pixel detectors. Nuclear Instruments and Methods in Physics Research Section A, vol. 563: 1, pp. 182-186.

Manuilskiy, A. , Norlin, B. , Nilsson, H. & Fröjdh, C. (2004). Spectroscopy applications for the Medipix photon counting X-ray system. Nuclear Instruments and Methods in Physics Research Section A, vol. 531: 1-2, pp. 251-257.

Norlin, B. , Manuilskiy, A. , Nilsson, H. & Fröjdh, C. (2004). Material recognition with the Medipix photon counting colour X-ray system.. Nuclear Instruments and Methods in Physics Research Section A, vol. 531: 1-2, pp. 265-269.

Nilsson, H. , Fröjdh, C. & Dubaric, E. (2004). Monte Carlo simulation of charge sharing effects in silicon and GaAs photon-counting X-ray imaging detectors. IEEE Transactions on Nuclear Science, vol. 51: 4, pp. 1636-1640.

Badel, X. , Linnros, J. , Kleimann, P. , Norlin, B. , Koskiahde, E. , Valpas, K. , Nenonen, S. , Petersson, S. & et al. (2004). Metallized and Oxidized Silicon Macropore Arrays Filled with a Scintillator for CCD-based X-ray Imaging Detectors. IEEE Transactions on Nuclear Science, vol. 51: 3 Part 3, pp. 1001-1005.

Chmeissani, M. , Fröjdh, C. , Gal, O. , Llopart, X. , Ludwig, J. , Ponchut, C. , Russo, P. & Tlustos, L. (2004). First experimental tests with a CdTe photon counting pixel detector hybridized with a Medipix2 readout chip. IEEE Transactions on Nuclear Science, vol. 51: 5, pp. 2379-2385.

Hjelm, M. , Norlin, B. , Nilsson, H. , Fröjdh, C. & Badel, X. (2003). Monte Carlo simulation of the imaging properties of scintillator-coated X-ray pixel detetectors. Nuclear Instruments and Methods in Physics Research Section A, vol. 509: 1-3, pp. 76-85.

Davidsson, D. W. , Fröjdh, C. , O'Shea, V. , Nilsson, H. & Rahman, M. (2003). Limitations to flat-field correction methods when using an X-ray spectrum. Nuclear Instruments and Methods in Physics Research Section A, , pp. 146-150.

Marchal, J. , Al-Ajili, A. , Scott, J. , Doak, D. , Abdalla, M. , Gwilliam, R. , Fröjdh, C. , O'Shea, V. & et al. (2003). A new pixel sensor for uniformity control in ion implantation. Nuclear Instruments and Methods in Physics Research Section B, vol. 206, pp. 462-466.

Aboelfotoh, M. O. , Fröjdh, C. & Petersson, S. (2003). Schottky-barrier behavior of metals on n- and p-type 6H-SiC. Physical Review B Condensed Matter, vol. 67: 7, pp. 075312

Dubaric, E. , Nilsson, H. , Fröjdh, C. & Norlin, B. (2002). Monte Carlo simulation of the response of a pixellated 3D photodetector in silicon. Nuclear Instruments and Methods in Physics Research Section A, vol. 487: 1-2, pp. 136-141.

Marchal, J. , Passmore, M. S. , Abdalla, M. , van den Berg, J. , Nejim, A. , Fröjdh, C. , O'Shea, V. , Smith, K. M. & et al. (2002). Active pixel detector for ion beam profiling. Nuclear Instruments and Methods in Physics Research Section A, vol. 487: 1-2, pp. 224-231.

Badel, X. , Galeckas, A. , Linnros, J. , Kleimann, P. , Fröjdh, C. & Petersson, S. (2002). Improvement of an X-ray imaging detector based on a scintillating guides screen. Nuclear Instruments and Methods in Physics Research Section A, vol. 487: 1-2, pp. 129-135.

Dubaric, E. , Fröjdh, C. , Nilsson, H. & Petersson, S. (2001). Resolution and Noise Properties of Scintillator Coated X-ray Detectors. Nuclear Instruments and Methods in Physics Research Section A, vol. 466: 1, pp. 178-182.

Irsigler, R. , Andersson, J. , Alverbro, J. , Fakoor-Biniaz, Z. , Fröjdh, C. , Helander, P. , Martijn, H. , Meikele, D. & et al. (2001). 320x240 GaAs pixel detectors with improved X-ray imaging quality. Nuclear Instruments and Methods in Physics Research Section A, vol. 460: 1, pp. 67-71.

Abdalla, M. A. , Fröjdh, C. & Petersson, S. (2001). A CMOS APS for dental X-ray imaging using scintillating sensors. Nuclear Instruments and Methods in Physics Research Section A, vol. 460: 1, pp. 197-203.

Abdalla, M. A. , Fröjdh, C. & Petersson, S. (2001). An integrating CMOS APS for X-ray imaging with an in-pixel preamplifier. Nuclear Instruments and Methods in Physics Research Section A, vol. 466: 1, pp. 232-236.

Kleimann, P. , Linnros, J. , Fröjdh, C. & Petersson, S. (2001). An X-ray imaging pixel detector based on scintillator filled pores in a silicon matrix. Nuclear Instruments and Methods in Physics Research Section A, vol. 460: 1, pp. 15-19.

Kleimann, P. , Linnros, J. , Fröjdh, C. & Petersson, S. (2000). An x-ray imaging pixel detector based on a scintillating guides screen. IEEE Transactions on Nuclear Science, vol. 47: 4, pp. 1483-1486.

Nilsson, H. , Hjelm, M. , Fröjdh, C. , Persson, C. , Sannemo, U. & Petersson, S. (1999). Full band Monte Carlo simulation of electron transport in 6H-SiC. Journal of Applied Physics, vol. 86: 2, pp. 965-973.

Fröjdh, C. , Thungström, G. , Nilsson, H. & Petersson, S. (1999). Schottky Barriers on 6H-SiC. Physica scripta. T, vol. T79, pp. 297-302.

Fröjdh, C. , Andersson, J. , Bates , R. , Heuken, M. , Irsigler, R. , Petersson, S. , O'Shea, V. , Smith, K. M. & et al. (1999). New sensors for dental X-ray imaging. Nuclear Instruments and Methods in Physics Research Section A, vol. 434: 1, pp. 24-29.

Irsigler, R. , Andersson, J. , Alverbro, J. , Borglind, J. , Fröjdh, C. , Helander, P. , Manolopoulos, S. , O'Shea, V. & et al. (1999). Evaluation of 320 x 240 pixel LEC GaAs Schottky barrier X-ray imaging arrays, hybridized to CMOS readout circuit based on charge integration. Nuclear Instruments and Methods in Physics Research Section A, vol. 434: 1, pp. 24-29.

Irsigler, R. , Andersson, J. , Alverbro, J. , Borglind, J. , Fröjdh, C. , Helander, P. , Manolopoulos, S. , Martijn, H. & et al. (1999). X-ray imaging using a 320 x 240 hybrid GaAs pixel detector. IEEE Transactions on Nuclear Science, vol. 46: 3, pp. 507-512.

Fröjdh, C. , Nilsson, H. , Petersson, S. & Nelvig, P. (1998). Simulation of the X-ray Response of Scintillator Coated Silicon CCDs. IEEE Transactions on Nuclear Science, vol. 45: 3, Pt 1, pp. 374-378.

Duan, M. , Fröjdh, C. , Thungström, G. , Wang, W. , Linnros, J. & Petersson, S. (1998). Deposition of Scintillating Layers of Bismuth Germanate (BGO) Films for X-ray detector applications. IEEE Transactions on Nuclear Science, vol. 45: 3, pp. 525-527.

Fröjdh, C. & Nelvig, P. (1998). Performance criteria for x-ray imaging sensors. Physica medica (Testo stampato), vol. 14, pp. 10-12.

Aubry-Fortuna, V. , Perrossier, J. , Mamor, M. , Meyer, F. , Fröjdh, C. , Thungström, G. , Bodnar, S. & Regolini, J. (1997). What is the role of the metal on the Fermi-level position at the interface with IV-IV compounds?. Microelectronic Engineering, vol. 37/38: 1, pp. 573-579.

Hatzikonstantinidou, S. , Nilsson, H. , Fröjdh, C. & Petersson, S. (1994). Process Optimisation and Characterisation of PBT structures. Physica scripta. T, vol. T54, pp. 226-229.

Thungström, G. , Fröjdh, C. , Svedberg, P. & Petersson, S. (1994). Contacts to Monocrystalline N- and P-type Silicon by Wafer Bonding Using. Physica scripta. T, vol. T54, pp. 77-80.

Fröjdh, C. , Thungström, G. , Hatzikonstantinidou, S. , Nilsson, H. & Petersson, S. (1994). Processing and characterisation of an etched groove Permeable. Physica scripta. T, vol. T54, pp. 56-59.

Fröjdh, C. , Thungström, G. , Nilsson, H. & Petersson, S. (1994). UV-sensitive photodetectors based on metal-semiconductor contacts on 6H-SiC. Physica scripta. T, vol. T54, pp. 169-171.

Hatzikonstantinidou, S. , Nilsson, S. , Nilsson, H. , Fröjdh, C. & Petersson, C. (1994). Processing and characterization of a PBT device using self-aligned CoSi2. Semiconductor Science and Technology, vol. 9: 12, pp. 2272-2277.

Conference papers

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)-4236.

Fröjdh, E. , Fröjdh, C. , Norlin, B. & Thungström, G. (2011). Mapping the x-ray response of a CdTe sensor with small pixels using an x-ray microbeam and a single photon processing readout chip. In Proceedings of SPIE - The International Society for Optical Engineering.. pp. Art. no. 814208-

Fröjdh, E. , Norlin, B. , Thungström, G. & Fröjdh, C. (2010). Spectral Response in a Pixellated X-ray Imaging CdTe Detector with Single Photon Processing Readout. In 2010 Nuclear Science Symposium and Medical Imaging Conference. (IEEE Nuclear Science Symposium Conference Record). pp. 1079--1080.

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 2010 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD (NSS/MIC). (IEEE Nuclear Science Symposium Conference Record). pp. 1074--1078.

Fröjdh, A. , Thungström, G. , Fröjdh, C. & Petersson, S. (2010). An alpha particle detector for measuring radon levels. In Nuclear Science Symposium Conference Record (NSS/MIC), 2010 IEEE.. pp. 460--461.

Fröjdh, A. , Thungström, G. , Fröjdh, C. & Petersson, S. (2010). Measurement of radon levels in buildings by spectroscopic measurement of radon progeny. In Nuclear Science Symposium Conference Record (NSS/MIC), 2010 IEEE.. pp. 1229--1231.

Norlin, B. , Fröjdh, C. , Thungström, G. & Greiffenberg, D. (2009). Spectroscopic Imaging with an X-ray Microscopy Setup Using a Pixelated Detector with Single Photon Processing. In 2008 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (2008 NSS/MIC), VOLS 1-9. New York : . pp. 3464--3469.

Norlin, B. , Fröjdh, C. , O'Nils, M. , Fröjdh, A. , Fröjdh, E. & Thungström, G. (2009). Energy Resolved X-ray Imaging as a Tool for Characterization of Paper Coating Quality. In IEEE Nuclear Science Symposium Conference Record 2009. (IEEE Nuclear Science Symposium Conference Record). pp. 1703--1706.

Herrnsdorf, M. , Björk, M. , Cederquist, B. , Mattsson, C. G. , Thungström, G. & Fröjdh, C. (2008). Aspect of point dose profile measurement using solid state detector in charatheristics of computed tomography. In Workshop on Radioation Imaging Detectors.

Uher, J. , Fröjdh, C. , Jakubek, C. , Pospisil, S. , Thungström, G. & Vykydal, Z. (2007). Directional radiation detector : NSS 2007. .

Fröjdh, C. , Norlin, B. , Jakubek, J. , Holy, T. , Fröjdh, A. & Fröjdh, E. (2007). Characterization of area sensitivity in 55 um pixellated CdTe X-ray imaging detectors. In Nuclear Science Symposium Conference Record, 2007. NSS '07. IEEE. Vol.2. New York : . pp. 1234--1236.

Uher, J. , Fröjdh, C. , Jakubek, J. , Pospisil, S. , Thungström, G. & Vykdal, Z. (2007). Directional Radiation Detector. In Nuclear Science Symposium Conference Record, 2007. Vol 2.. pp. 1162--1165.

Uher, J. , Fröjdh, C. , Holy, T. , Jakubek, J. , Pettersson, S. , Pospsisil, S. & Thungström, G. (2007). Silicon detectors for neutron imaging. In NUCLEAR PHYSICS METHODS AND ACCELERATORS IN BIOLOGY AND MEDICINE: Fourth International Summer School on Nuclear Physics Methods and Accelerators in Biology and Medicine.. (AIP Conference Proceedings). pp. 101--104.

Uher, J. , Fröjdh, C. , Jakubek, J. , Kenney, C. , Kohout, Z. , Linhart, V. , Parker, S. , Petterson, S. & et al. (2006). Highly sensitive silicon detectors of thermal neutrons. In Nuclear Science Symposium Conference Record, 2006. IEEE. Vol 3... pp. 1346--1348.

Fröjdh, C. , Nilsson, H. & Norlin, B. (2005). Spectral response of Pixellated Semiconductor X-ray Detectors. In 2005 IEEE Nuclear Science Symposium Conference Record, Vols 1-5. (IEEE NUCLEAR SCIENCE SYMPOSIUM - CONFERENCE RECORD). pp. 2967--2970.

Abdalla, M. , Dubaric, E. , Nilsson, H. , Fröjdh, C. & Petersson, S. (2001). A scintillator-coated phototransistor pixel sensor with dark current cancellation. In cecs2001: 8th IEEE international conference on electronics, circuits and systems, Vols. I-III, Conference Proceedings.. pp. 663--667.

Dubaric, E. , Fröjdh, C. , Hjelm, M. , Nilsson, H. , Abdalla, M. & Pettersson, C. (2000). Monte Carlo simulations of the imaging properties of scintillator coated X-ray pixel detectors. In 2000 IEEE Nuclear Science Symposium conference record : vol. 1.. pp. 6/282--6/285.

Abdalla, M. A. , Fröjdh, C. & Petersson, S. (2000). A new biasing method for CMOS preamplifier-shapers. In ICECS 2000: 7TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS & SYSTEMS, VOLS I AND II.. pp. 15--18.

Fröjdh, C. , Thungström, G. , Nilsson, H. & Petersson, S. (1994). UV-sensitive metal-semiconductor photodiodes on 6H-SiC. In Proceedings of the 1994 MRS Spring Meeting. (Materials Research Society Symposium - Proceedings). pp. 215--220.

Thungström, G. , Fröjdh, C. & Petersson, S. (1994). Buried Schottky Contacts in Patterned Cobalt Silicide Layers in Silicon Using Wafer Bonding. In Proceedings of the MRS Symposium. (Materials Research Society Symposium - Proceedings). pp. 475--480.