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Elias Hamann

Dr. Elias Hamann

Postdoc
Postdoctoral researcher. Photon counting detectors, gallium arsenide sensors & Bragg magnifiers
phone: +49 721 608 28659
elias hamannOae0∂kit edu


Dr. Elias Hamann

Current positions:
  • Project responsible "IPS labs"
  • Deputy head of CL/CT/2D Detectors lab
  • Project responsible for BMBF collaborative research (“Verbundforschung”)  projects CODE-VITA and STROBOS-CODE
Previous positions:
  • University of Freiburg/Freiburg Materials Research Center (FMF) 2008-2010
  • Karlsruhe Institute of Technology/IPS since 2010
Field of research:
  • X-ray imaging
  • Synchrotron beamline instrumentation
  • Direct converting semiconductor pixel array detectors (Medipix)
  • High-Z semiconductor materials
  • Crystal optics (Bragg Magnifier)

 

Contributions to Monographs:

E. Hamann, “GaAs:Cr as sensor material for photon counting pixel detectors”, in Semiconductor Radiation Detectors, Technology and Applications (edited by S. Reza and K. Iniewski), CRC Press, (in press)

E. Hamann, “Characterization of High Resistivity GaAs as Sensor Material for Photon Counting Semiconductor Pixel Detectors”, Dissertation, Albert-Ludwigs-Universität Freiburg, 2013
Annual Reports and Annual Highlights (co-editor):

Contributions to the ANKA Annual Reports since 2010

Scientific Publications:

2017

1. Optimizing structural and mechanical properties of cryogel scaffolds for use in prostate cancer cell culturing
A. Cecilia, A. Baecker, E. Hamann, A. Rack, T. van de Kamp, F.J. Gruhl, R. Hofmann, J. Moosmann, S. Hahn, J. Kashef, S. Bauer, T. Farago, L. Helfen, T. Baumbach Materials Science and Engineering: C 71, 465-472 (2017)

2. Augmented laminography, a correlative 3D imaging method for revealing the inner structure of compressed fossils
M. Zuber, M. Laaß, E. Hamann, S. Kretschmer, N. Hauschke, T. van de Kamp, T. Baumbach, and T. Koenig Sci. Rep. 7, 41413 (2017)

2016

3. Single-distance phase retrieval algorithm for Bragg Magnifier Microscope
S. Hrivňak, J. Uličný, L. Mikeš, A. Cecilia, E. Hamann, T. Baumbach, L. Švéda, Z. Zápražný, D. Korytár, E. Gimenez-Navarro, U. Wagner, C. Rau, H. Greven, and P. Vagovič, Opt. Express 24(24), 27753-27762 (2016)

2015

4. An investigation into the temporal stability of CdTe-based photon counting detectors during spectral micro-CT acquisitions
M. Zuber, E. Hamann, R. Ballabriga, M. Campbell, M. Fiederle, T. Baumbach, T. Koenig, Biomed. Phys. Eng. Express 1, 025205 (2015)

5. Spectral response of the energy-binning Dosepix ASIC coupled to a 300μm silicon sensor under high fluxes of synchrotron radiation
E. Fröjdh, F. Bisello, M. Campbell, J. Damet, E. Hamann, T. Koenig, W.S. Wong, M. Zuber, Nucl. Instrum. Meth. A 804, 43-49 (2015)

6. Laboratory-based multi-modal X-ray microscopy and micro-CT with Bragg magnifiers
P. Vagovič, D. Korytár, A. Cecilia, E. Hamann, T. Baumbach, and D. Pelliccia, Opt. Express 23, 18391-18400 (2015)

7. Reducing the formation of image artifacts during spectroscopic micro-CT acquisitions
M. Zuber; T. Koenig; R. Hussain; E. Hamann; R. Ballabriga; M. Campbell; A. Fauler; M. Fiederle and T. Baumbach, Proc. SPIE 9412, Medical Imaging 2015: Physics of Medical Imaging, 94124X (2015)

8. Investigation of GaAs:Cr Timepix assemblies under high flux irradiation
E. Hamann, T. Koenig, M. Zuber, A. Cecilia, A. Tyazhev, O. Tolbanov, S. Procz, A. Fauler, M. Fiederle and T. Baumbach, J. Instrum. 10 C01047 (2015)

9. Performance of a Medipix3RX Spectroscopic Pixel Detector with a High-Resistivity GaAs Sensor
E. Hamann, T. Koenig, M. Zuber, A. Cecilia, A. Tyazhev, O. Tolbanov, S. Procz, A Fauler, T. Baumbach and M. Fiederle, IEEE Trans. Med. Imag. 34, No. 3, 707-715 (2015)

2014

10. How spectroscopic X-ray imaging benefits from inter-pixel communication
T. Koenig, M. Zuber, E. Hamann, A. Cecilia, R. Ballabriga, M. Campbell, M. Ruat, L. Tlustos, A. Fauler, M. Fiederle and T. Baumbach, Phys. Med. Biol. 59, 6195-6213 (2014)

11. X-ray Bragg magnifier microscope as a linear shift invariant imaging system: image formation  and phase retrieval
P. Vagovic, L. Sveda, A. Cecilia, E. Hamann, D. Pelliccia, E. N. Gimenez, D. Korytar, K. M. Pavlov, Z. Zaprazny, M. Zuber, T. Koenig, M. Olbinado, W. Yashiro, A. Momose, M. Fiederle and T. Baumbach, Opt. Express 22, 21508-21520 (2014)

 

12. Investigation of the current-voltage characteristics, the electric field distribution and the charge collection efficiency in x-ray sensors based on chromium compensated gallium arsenide
A Tyazhev, V Novikov, O Tolbanov, A Zarubin, M Fiederle, E Hamann, Proc. SPIE 9213, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI, 92130G (2014)

13. A fast embedded readout system for large-area Medipix and Timepix systems
A. S. Brogna, M. Balzer, S. Smale, J. Hartmann, D. Bormann, E. Hamann, A. Cecilia, M. Zuber, T. Koenig, A. Zwerger, M. Weber, M. Fiederle and T. Baumbach, J.Instrum 9 C05047 (2014)

14. Characterization of a 2x3 Timepix assembly with a 500μm thick silicon sensor
M. Zuber, T. Koenig, E. Hamann, A. Cecilia, M. Fiederle and T. Baumbach, J.Instrum 9 C05037 (2014)

15. Count rate linearity and spectral response of the Medipix3RX chip coupled to a 300μm silicon sensor under high flux conditions
E. Frojdh, R. Ballabriga, M. Campbell, M. Fiederle, E. Hamann, T. Koenig, X. Llopart, D. de Paiva Magalhaes and M. Zuber, J.Instrum 9 C04028 (2014)

16. Chromium-Compensated GaAs Detector Material And Sensors
D. Budnitsky, A. Tyazhev, V. Novikov, A. Zarubin, O. Tolbanov, M. Skakunov, E. Hamann, A. Fauler, M. Fiederle, S. Procz, H. Graafsma and S. Ryabkov, J. Instrum. 9, C07011 (2014)

17. Pooling optimal combinations of energy thresholds in spectroscopic CT
T. Koenig, M. Zuber, E. Hamann, A. Runz, M. Fiederle, T. Baumbach, Proc. SPIE 9033, Medical Imaging 2014: Physics of Medical Imaging (2014)

18. Investigation of the luminescence, crystallographic and spatial resolution properties of LSO:Tb scintillating layers used for X-ray imaging applications
A. Cecilia, V. Jary, M. Nikl, E. Mihokova, D. Hänschke, E. Hamann, P.-A. Douissard, A. Rack, T. Martin, B. Krause, T. Baumbach, M. Fiederle, Radiation Measurements 62, 28-34 (2014)

2013

19. Characterization of photon counting pixel detectors based on semi-insulating GaAs sensor material
E Hamann, A Cecilia, A Zwerger, A Fauler, O Tolbanov, A Tyazhev, G Shelkov, H Graafsma, T Baumbach and M Fiederle
J. Phys.: Conf. Ser. 425, 062015 (2013)

20. High resolution 3D imaging of bump-bonds by means of synchrotron radiation computed laminography
A. Cecilia, E. Hamann, T. Koenig, F. Xu, Y. Cheng, L. Helfen, M. Ruat, M. Scheel, M. Zuber, T. Baumbach, A. Fauler and M. Fiederle
J. Instrum. 8 C12029 (2013)

21. Charge Summing in spectroscopic x-ray detectors with high-Z sensors
Koenig T, Hamann E, Procz S, Ballabriga R, Cecilia A, Zuber M, Llopart X, Campbell M, Fauler A, Baumbach T, Fiederle M., IEE Trans. Nucl. Sci. 60, 4713 (2013)

 

22. High-resolution high-efficiency X-ray imaging system based on the in-line Bragg magnifier and the Medipix detector
Vagovic, P., Korytar, D., Cecilia, A., Hamann, E., Sveda, L., Pelliccia, D., Hartwig, J., Zaprazny, Z., Oberta, P., Dolbnya, I., Shawney, K., Fleschig, U., Fiederle, M. & Baumbach, T., J. Synchrotron Rad. 20, 153-159 (2013)

23. High Resolution and High Contrast Imaging With Thin SrI2-Scintillator Screens
L. Alaribe, A. Cecilia, E. Hamann, A. Fauler, S. Procz, J. Feyrer, A. Burger, and M.Fiederle
IEEE Trans. Nucl. Sci. 60, 1619 (2013)

24. Potential use of V-channel Ge(220) monochromators in X-ray metrology and imaging
D. Korytár, P. Vagovic, K. Végsö, P. Siffalovic, E. Dobrocka, W. Jark, V. Ác, Z. Záprazný, C. Ferrari, A. Cecilia, E. Hamann, P. Mikulík, T. Baumbach, M. Fiederle and M. Jergel, J. Appl. Cryst. 46, 945-952 (2013)

25. GaAs Pixel Detectors
A. Tyazhev, D. Budnitsky, D. Mokeev, V. Novikov, A. Zarubin, O. Tolbanov, G. Shelkov, E. Hamann, A. Fauler, M. Fiederle, S. Procz, MRS Online Proceedings Library 1567 (2013)

2012

26. Imaging properties of small-pixel spectroscopic x-ray detectors based on cadmium telluride sensors
Thomas Koenig, Julia Schulze, Marcus Zuber, Kristian Rink, Jochen Butzer, Elias Hamann, Angelica Cecilia, Andreas Zwerger, Alex Fauler, Michael Fiederle and Uwe Oelfke
Phys. Med. Biol. 57, 6743–6759 (2012)

27. Synchrotron measurements of the energy response functions of CdTe Medipix2 MXR detectors with pixel pitches of 110 and 165 μm
M Zuber, T Koenig, E Hamann, J Butzer, A Cecilia, M Fiederle and U Oelfke, J. Instrum. 7 C12018 (2012)

28. SrI2:Eu2+ -Scintillators for Spectroscopy and X-Ray Imaging Applications
L. Alaribe, C. Disch, A. Fauler, R. Engels, E. Keller, A. Cecilia, T. dos Santos Rolo, E. Hamann and M. Fiederle, IEEE Trans. Nucl. Sci. 59(5), 2193-2195 (2012)

2011

29. In-line Bragg magnifier based on V-shaped germanium crystals
Vagovic, P., Korytar, D., Mikulik, P., Cecilia, A., Ferrari, C., Yang, Y., Hänschke, D., Hamann, E., Pelliccia, D., Lafford, T. A., Fiederle, M. & Baumbach, T., J. Synchrotron Rad. 18, 753-760 (2011)

30. Investigation of crystallographic and detection properties of CdTe at the ANKA synchrotron light source
A Cecilia, E Hamann, C Haas, D Greiffenberg, A Danilewsky, D Haenschke, A Fauler, A Zwerger, G Buth, P Vagovic, T Baumbach and M Fiederle, J. Instrum. 6, P10016 (2011)

31. Flatfield Correction Optimization for Energy Selective X-Ray Imaging With Medipix3
Procz, S.; Pichotka, M.; Lubke, J.; Hamann, E.; Ballabriga, R.; Blaj, G.; Campbell, M.; Fauler, A.; Mix, M.; Zwerger, A.; Fiederle, M.,
IEEE Trans. Nucl. Sci. 58, 3182-3189 (2011)

32. Coherence preservation and beam flatness of a single-bounce multilayer monochromator (beamline ID19 – ESRF)
A. Rack, T. Weitkamp, I. Zanette, Ch. Morawe, A. Vivo Rommeveaux, P. Tafforeau, P. Cloetens, E. Ziegler, T. Rack, A. Cecilia, P. Vagovic, E. Harmann, R. Dietsch, H. Riesemeier, Nucl. Instrum. Meth. A 649, 123-127 (2011)

33. LPE grown LSO:Tb scintillator films for high-resolution X-ray imaging applications at synchrotron light sources
A. Cecilia, A. Rack, P.-A. Douissard, T. Martin, T. dos Santos Rolo, P. Vagovič, E. Hamann, T. van de Kamp, A. Riedel, M. Fiederle, T. Baumbach, Nucl. Instrum. Meth. A 648, S321-S323 (2011)

34. Development of SrI2 scintillators for spectroscopy and x-ray imaging applications
Alaribe, L.; Disch, C.; Fauler, A.; Engels, R.; Keller, E.; Cecilia, A.; dos Santos Rolo, T.; Hamann, E.; Fiederle, M.,

34. Development of SrI2 scintillators for spectroscopy and x-ray imaging applications
Alaribe, L.; Disch, C.; Fauler, A.; Engels, R.; Keller, E.; Cecilia, A.; dos Santos Rolo, T.; Hamann, E.; Fiederle, M., IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 1567-1571(2011)

 

 

 

 

 

 

 

 

Publikationen
Author Title Source Date
A. S. Brogna, M. Balzer, S. Smale, J. Hartmann, D. Bormann, E. Hamann, A. Cecilia, M. Zuber, T. Koenig, A. Zwerger, M. Weber, M. Fiederle, T. Baumbach Journal of Instrumentation 9, C05047
2014
D. Budnitsky, A. Tyazhev, V. Novikov, A. Zarubin, O. Tolbanov, M. Skakunov, E. Hamann, A. Fauler, M. Fiederle, S. Procz, H. Graafsma, S. Ryabkov Journal of Instrumentation 9, C07011 2014
A. Cecilia, V. Jary, M. Nikl, E. Mihokova, D. Hänschke, E. Hamann, P.-A. Douissard, A. Rack, T. Martin, B. Krause,T. Baumbach, M. Fiederle Radiation Measurements 62, 28–34 2014
E. Hamann, T. Koenig, M. Zuber, A. Cecilia, A. Tyazhev, O. Tolbanov, S. Procz, A. Fauler, T. Baumbach, M. Fiederle IEEE Transactions on Medical Imaging (special issue on spectroscopic CT) 2014
T. Koenig, M. Zuber, E. Hamann, A. Runz, M. Fiederle, T. Baumbach Proceedings of SPIE 2014
M. Zuber, T. Koenig, E. Hamann, A. Cecilia, M. Fiederle, T. Baumbach Journal of Instrumentation 9, C05037
2014
E. Frojdh, R. Ballabriga, M. Campbell, M. Fiederle, E. Hamann, T. Koenig, X. Llopart, D. de Paiva Magalhaes, M. Zuber Journal of Instrumentation 9, C04028 2014
A Cecilia, E Hamann, T Koenig, F Xu, Y Cheng, L Helfen, M Ruat, M Scheel, M Zuber, T Baumbach, A Fauler and M Fiederle Journal of Instrumentation 8, C12029 2013
A. Tyazhev, D. Budnitsky, D. Mokeev, V. Novikov, A. Zarubin, O. Tolbanov, G. Shelkov, E. Hamann, A. Fauler, M. Fiederle, S. Procz MRS Online Proceedings Library 1567  2013
E. Hamann Dissertation, Albert-Ludwigs-Universität Freiburg 2013
E. Hamann, A. Cecilia, A. Zwerger, A. Fauler, O. Tolbanov, A. Tyazhev, G. Shelkov, H. Graafsma, T. Baumbach, M. Fiederle Journal of Physics: Conference Series 425, 062015 2013
T. Koenig, E. Hamann, S. Procz, R. Ballabriga, A. Cecilia, M. Zuber, X. Llopart, M. Campbell, A. Fauler, T. Baumbach, M. Fiederle IEEE Transactions on Nuclear Science 60, 4713-4718 2013
D. Korytár, P. Vagovic, K. Végsö, P. Siffalovic, E. Dobrocka, W. Jark, V. Ác, Z. Záprazný, C. Ferrari, A. Cecilia, E. Hamann, P. Mikulík, T. Baumbach, M. Fiederle, M. Jergel Journal of Applied Crystallography 46, 945-952 2013
P. Vagovic, D. Korytár, A. Cecilia, E. Hamann, L. Švéda, D. Pelliccia, J. Härtwig, Z. Zápražný, P. Oberta, I. Dolbnya, K. Shawney, U. Fleschig, M. Fiederle, T. Baumbach Journal of Synchrotron Radiation 20, 153-159 2013
T. König, J. Schulze, M. Zuber, J. Butzer, E. Hamann, A. Cecilia, A. Zwerger, A. Fauler, M. Fiederle, U. Oelfke Physics in Medicine and Biology 57 (2012) 6743-6759 2012
M. Zuber, T. König, E. Hamann, J. Butzer, A. Cecilia, M. Fiederle, U. Oelfke Journal of Instrumentation 7 (2012) C12018 2012
A. Cecilia, A. Rack, P.-A. Douissard, T. Martin, T. dos Santos Rolo, P. Vagovic, E. Hamann, T. van de Kamp, A. Riedel, M. Fiederle, T. Baumbach Nuclear Instruments and Methods in Physics Research A 648 (2011) 321-323 2011
A. Cecilia, E. Hamann, C. Haas, D. Greiffenberg, A. Danilewsky, D. Haenscke, A. Fauler, A. Zwerger, G. Buth, P. Vagovic, T. Baumbach, M. Fiederle Journal of Instrumentation 6 (2011) 10016 2011
P. Vagovič, D. Korytár, P. Mikulik, A. Cecilia, C. Ferrari, Y. Yang, D. Hänschke, E. Hamann, D. Pelliccia, T. A. Lafford, M. Fiederle, T. Baumbach Journal of Synchrotron Radiation 18 (2011) 753-760 2011