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CERN Document Server 2,037 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.38 секунд. 
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Optically sensitive Medipix2 detector for adaptive optics wavefront sensing / Vallerga, John ; McPhatea, Jason ; Tremsina, Anton ; Siegmund, Oswald ; Mikulec, Bettina ; Clark, Allan G /Medipix2 Collaboration
A new hybrid optical detector is described that has many of the attributes desired for the next generation adaptive optics (AO) wavefront sensors. The detector consists of a proximity focused microchannel plate (MCP) read out by multi-pixel application specific integrated circuit (ASIC) chips developed at CERN ("Medipix2") with individual pixels that amplify, discriminate and count input events. [...]
CERN-OPEN-2006-064.- Geneva : CERN, 2005 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 546 (2005) 263-269 Access to fulltext document: PDF;
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Noiseless imaging detector for adaptive optics with kHz frame rates / Vallerga, J V ; McPhate, J ; Mikulec, Bettina ; Tremsin, A ; Clark, Allan G ; Siegmund, O H W /Medipix Collaboration
A new hybrid optical detector is described that has many of the attributes desired for the next generation AO wavefront sensors. The detector consists of a proximity focused MCP read out by four multi-pixel application specific integrated circuit (ASIC) chips developed at CERN (â€ﾜMedipix2”) with individual pixels that amplify, discriminate and count input events. [...]
CERN-OPEN-2006-062.- Geneva : CERN, 2004 - 12 p. - Published in : Proc. SPIE 5490 (2004) 1256-1267 Access to fulltext document: PDF;
In : Spie's Astronomical Telescopes And Instrumentation 2004 Meeting, Glasgow, UK, 21 - 25 Jun 2004, pp.1256-1267
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A noiseless kilohertz frame rate imaging detector based on microchannel plates read out with the Medipix2 CMOS pixel chip / Medipix Collaboration
A new hybrid optical imaging detector is described that is being developed for the next generation adaptive optics (AO) wavefront sensors (WFS) for ground-based telescopes. The detector consists of a photocathode and proximity focused microchannel plates (MCPs) read out by the Medipix2 CMOS pixel ASIC. [...]
CERN-OPEN-2006-058.- Geneva : CERN, 2006 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 567 (2006) 110-113 Access to fulltext document: PDF;
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Noiseless, kilohertz-frame-rate, imaging detector based on micro-channel plates readout with the Medipix2 CMOS pixel chip / McPhate, J ; Vallerga, J ; Tremsin, A ; Siegmund, O ; Mikulec, Bettina ; Clark, Allan G /Medipix Collaboration
A new hybrid imaging detector is described that is being developed for the next generation adaptive optics (AO) wavefront sensors. The detector consists of proximity focused microchannel plates (MCPs) read out by pixelated CMOS application specific integrated circuit (ASIC) chips developed at CERN ("Medipix2"). [...]
CERN-OPEN-2006-059.- Geneva : CERN, 2005 - 10 p. - Published in : Proc. SPIE 5881 (2005) 88-97 Access to fulltext document: PDF;
In : SPIE Conference on Optics and Photonics 2005, San Diego, CA, USA, 31 Jul - 4 Aug 2005, pp.88-97
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A high resolution, high frame rate detector based on a microchannel plate read out with the Medipix2 counting CMOS pixel chip. / Mikulec, Bettina ; Vallerga, J V ; McPhate, J B ; Tremsin, A S ; Siegmund, O H W ; Clark, Allan G /Medipix Collaboration
The future of ground-based optical astronomy lies with advancements in adaptive optics (AO) to overcome the limitations that the atmosphere places on high resolution imaging. A key technology for AO systems on future very large telescopes are the wavefront sensors (WFS) which detect the optical phase error and send corrections to deformable mirrors. [...]
CERN-OPEN-2006-061.- Geneva : CERN, 2005 - 6 p. - Published in : IEEE Trans. Nucl. Sci. 52 (2005) 1021-1026 Access to fulltext document: PDF;
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Photon counting arrays for AO wavefront sensors / Vallerga, J ; Tremsin, A ; McPhate, J ; Mikulec, Bettina ; Clark, Allan G ; Siegmund, O /Medipix Collaboration
Future wavefront sensors for AO on large telescopes will require a large number of pixels and must operate at high frame rates. Unfortunately for CCDs, there is a readout noise penalty for operating faster, and this noise can add up rather quickly when considering the number of pixels required for the extended shape of a sodium laser guide star observed with a large telescope. [...]
CERN-OPEN-2006-060.- Geneva : CERN, 2005 - 11 p. - Published in : Proc. SPIE 5903 (2005) 199-209 Access to fulltext document: PDF;
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Optically sensitive Medipix2 detector for adaptive optics wavefront sensing / Vallerga, John ; McPhate, Jason ; Tremsin, A ; Siegmund, Oswald ; Mikulec, Bettina ; Clark, Allan G
2005 - Published in : Nucl. Instrum. Methods Phys. Res., A 546 (2005) 263-269
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Photon-counting X-ray imaging at kilohertz frame rates / Ponchut, Cyril (ESRF, Grenoble, France) ; Clément, J (ESRF, Grenoble, France) ; Rigal, J M (ESRF, Grenoble, France) ; Papillon, E (ESRF, Grenoble, France) ; Vallerga, J (Univ. California Berkeley, Berkeley, USA) ; LaMarra, D (Geneva U.) ; Mikulec, B (CERN)
A kilohertz frame rate readout system for Medipix2 chips is being developed at European Synchrotron Radiation Facility (ESRF). This work was initiated with the aim of meeting the growing demand for fast and noise-free X-ray bidimensional detection particularly on synchrotron beamlines. [...]
2007 - Published in : Nucl. Instrum. Methods Phys. Res., A 576 (2007) 109-112
In : 8th International Workshop on Radiation Imaging Detectors, Pisa, Italy, 2 - 6 Jul 2006, pp.109-112
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A Medipix2-based imaging system for digital mammography with silicon pixel detectors / Bisogni, M G ; Delogu, P ; Fantacci, M E ; Mettivier, G ; Montesi, M C ; Novelli, M ; Quattrocchi, M ; Rosso, V ; Russo, P ; Stefanini, A
In this paper we present the first tests of a digital imaging system based on a silicon pixel detector bump-bonded to an integrated circuit operating in single photon counting mode. The X-rays sensor is a 300 mu m thick silicon, 14 by 14 mm/sup 2/, upon which a matrix of 256 * 256 pixels has been built. [...]
2004
In : 50th IEEE 2003 Nuclear Science Symposium, Medical Imaging Conference, 13th International Workshop on Room Temperature Semiconductor Detectors and Symposium on Nuclear Power Systems, Portland, OR, USA, 19 - 25 Oct 2003, pp.1509-12 (Vol.3)
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Characterization of Medipix3 With Synchrotron Radiation / Gimenez, E N (Diamond Light Source) ; Horswell, I (Diamond Light Source) ; Marchal, J (Diamond Light Source) ; Turecek, D (Prague, Tech. U.) ; Ballabriga, R (CERN) ; Tartoni, N (Diamond Light Source) ; Campbell, M (CERN) ; Llopart, X (CERN) ; Sawhney, K J S (Diamond Light Source)
Medipix3 is the latest generation of photon counting readout chips of the Medipix family. With the same dimensions as Medipix2 (256 x 256 pixels of 55 mu m x 55 mu m pitch each), Medipix3 is however implemented in an 8-layer metallization 0.13 mu m CMOS technology which leads to an increase in the functionality associated with each pixel over Medipix2. [...]
2011 - Published in : IEEE Trans. Nucl. Sci. 58 (2011) 323-332 IEEE Published version, local copy: PDF;
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