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1.
Ethernet Embedded Readout Interface for Timepix2—Katherine readout for Timepix2 / Burian, P (Pilsen U. ; Prague, Tech. U.) ; Broulím, P (Pilsen U.) ; Bergmann, B (Prague, Tech. U.) ; Tlustos, L (CERN ; Prague, Tech. U. ; Freiburg U. ; U. Houston (main))
This paper introduces a readout system for the Timepix2. Firstly, this chip is described and the readout modes are discussed in detail. [...]
2020 - 17 p. - Published in : JINST 15 (2020) C01037
In : 21st International Workshop on Radiation Imaging Detectors, Kolympari, Chania, Greece, 7 - 12 Jul 2019, pp.C01037
2.
Introducing Timepix2, a frame-based pixel detector readout ASIC measuring energy deposition and arrival time / Wong, W S ; Alozy, J (CERN) ; Ballabriga, R (CERN) ; Campbell, M (CERN) ; Kremastiotis, I (CERN) ; Llopart, X (CERN) ; Poikela, T (CERN) ; Sriskaran, V (CERN) ; Tlustos, L (CERN ; Freiburg U. ; U. Houston (main)) ; Turecek, D (U. Houston (main) ; Unlisted, CZ ; Charles U., Prague (main))
The Timepix2 ASIC (application-specific integrated circuit) is the upgraded successor to the Timepix [1] hybrid pixel detector readout chip. Like the original, Timepix2 contains a matrix of 65k square pixels of 55 μm pitch that can be coupled to a similarly segmented semiconductor sensor, or integrated in an ionising gas detector. [...]
2020 - 8 p. - Published in : Radiat. Meas. 131 (2020) 106230 Fulltext: PDF;
3.
Very high energy calibration of silicon Timepix detectors / George, S P ; Kroupa, M ; Wheeler, S ; Kodaira, S ; Kitamura, H ; Tlustos, L (CERN) ; Campbell-Ricketts, T ; Stoffle, N N ; Semones, E ; Pinsky, L
We investigate energy measurements in Timepix hybrid detectors in hole collection mode above pixel input energy depositions of about 2.2 MeV or 600,000 electron/hole pairs in Silicon. Measurement of the detector response well above this regime is important for our application measuring the heavy ion exposure of NASA astronauts. [...]
2018 - Published in : JINST 13 (2018) P11014 Fulltext: PDF; Fulltext from Publisher: PDF;
4.
Direct detection of antiprotons with the Timepix3 in a new electrostatic selection beamline / Pacifico, N (Bergen U.) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Alozy, J (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) et al.
We present here the first results obtained employing the Timepix3 for the detection and tagging of annihilations of low energy antiprotons. The Timepix3 is a recently developed hybrid pixel detector with advanced Time-of-Arrival and Time-over-Threshold capabilities and has the potential of allowing precise kinetic energy measurements of low energy charged particles from their time of flight. [...]
2016 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 12-17
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.12-17
5.
Towards a new generation of pixel detector readout chips / Campbell, M (CERN) ; Alozy, J. (CERN) ; Ballabriga, R. (CERN) ; Frojdh, E. (CERN ; Mid Sweden U., Sundsvall) ; Heijne, E. (CERN ; IEAP CTU, Prague) ; Llopart, X. (CERN) ; Poikela, T. (CERN) ; Tlustos, L. (CERN ; Freiburg U.) ; Valerio, P. (CERN) ; Wong, W. (CERN ; Houston U.)
The Medipix3 Collaboration has broken new ground in spectroscopic X-ray imaging and in single particle detection and tracking. This paper will review briefly the performance and limitations of the present generation of pixel detector readout chips developed by the Collaboration. [...]
2016 - Published in : JINST 11 (2016) C01007 IOP Open Access article: PDF;
In : 17th International Workshop on Radiation Imaging Detectors, Hamburg, Germany, 28 Jun - 02 Jul 2015, pp.C01007
6.
Timepix3: first measurements and characterization of a hybrid-pixel detector working in event driven mode / Frojdh, E (CERN ; Mid Sweden U., Sundsvall) ; Campbell, M (CERN) ; Gaspari, M De (CERN) ; Kulis, S (CERN) ; Llopart, X (CERN) ; Poikela, T (Mid Sweden U., Sundsvall ; TUCS, Turku) ; Tlustos, L (CERN ; Freiburg U.)
Timepix3 is a hybrid pixel detector readout chip. It features a data driven readout mode where the chip sends out a data packet containing pixel coordinate, time over threshold and time of arrival immediately after the hit is processed by the pixel. [...]
2015 - 9 p. - Published in : JINST 10 (2015) C01039
In : 16th International Workshop on Radiation Imaging Detectors, Trieste, Italy, 22 - 26 Jun 2014, pp.C01039
7.
Review of hybrid pixel detector readout ASICs for spectroscopic X-ray imaging / Ballabriga, R (CERN) ; Alozy, J (CERN) ; Campbell, M (CERN) ; Frojdh, E (CERN) ; Heijne, E H M (CERN ; IEAP CTU, Prague) ; Koenig, T (KIT, Karlsruhe) ; Llopart, X (CERN) ; Marchal, J (Diamond Light Source) ; Pennicard, D (DESY) ; Poikela, T (CERN) et al.
Semiconductor detector readout chips with pulse processing electronics have made possible spectroscopic X-ray imaging, bringing an improvement in the overall image quality and, in the case of medical imaging, a reduction in the X-ray dose delivered to the patient. In this contribution we review the state of the art in semiconductor-detector readout ASICs for spectroscopic X-ray imaging with emphasis on hybrid pixel detector technology. [...]
2016 - 34 p. - Published in : JINST 11 (2016) P01007 IOP Open Access article: PDF;
8.
How spectroscopic x-ray imaging benefits from inter-pixel communication / Koenig, Thomas (Forschungszentrum Karlsruhe, ANKA) ; Zuber, Marcus (Forschungszentrum Karlsruhe, ANKA) ; Hamann, Elias (Freiburg U. ; Forschungszentrum Karlsruhe, ANKA) ; Cecilia, Angelica (Forschungszentrum Karlsruhe, ANKA) ; Ballabriga, Rafael (CERN) ; Campbell, Michael (CERN) ; Ruat, Marie (ESRF, Grenoble) ; Tlustos, Lukas (CERN) ; Fauler, Alex (Freiburg U.) ; Fiederle, Michael (Freiburg U. ; Forschungszentrum Karlsruhe, ANKA) et al.
Spectroscopic x-ray imaging based on pixellated semiconductor detectors can be sensitive to charge sharing and K-fluorescence, depending on the sensor material used, its thickness and the pixel pitch employed. As a consequence, spectroscopic resolution is partially lost. [...]
2014 - 19 p. - Published in : Phys. Med. Biol. 59 (2014) 6195-6213
9.
Overview on Measured Properties of VTT's Edgeless Detectors and their use in High Energy Physics / Kalliopuska, Juha (VTT Electronics, Espoo) ; Jakubek, Jan (IEAP CTU, Prague) ; Tlustos, Lukas (CERN)
During the past five years VTT has actively developed fabrication processes for the state-of-the-art edgeless strip and pixel detectors with a negligible dead region at the edges. The article summarizes the measured properties of VTT's edgeless detectors and gives references to the relevant journal papers. [...]
2012 - 9 p. - Published in : Phys. Procedia 37 (2012) 1046-1054 Elsevier Open Access article: PDF;
In : 2nd International Conference on Technology and Instrumentation in Particle Physics, Chicago, IL, USA, 9 - 14 Jun 2011, pp.1046-1054
10.
The Measurement of Spectral Characteristics and Composition of Radiation in ATLAS with MEDIPIX2-USB Devices / CERN Mediapix Collaboration
A network of devices to perform real-time measurements of the spectral characteristics and composition of radiation in the ATLAS detector and cavern during its operation is being built. This system of detectors will be a stand alone system fully capable of delivering real-time images of fluxes and spectral composition of different particle species including slow and fast neutrons. [...]
2008 - Published in : 10.1142/9789812819093_0061
In : 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy, 8 - 12 Oct 2007, pp.346-353

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