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1.
Unique capabilities and applications of Microchannel Plate (MCP) detectors with Medipix/Timepix readout / Tremsin, A S (UC, Berkeley (main)) ; Vallerga, J V (UC, Berkeley (main))
The development of highly pixelated fast Medipix/Timepix readout enabled a large number of novel hybrid detectors, where incoming particles/photons are initially converted into a measureable charge, typically exceeding 1000 electrons. Among those possible converters are Microchannel plate (MCP) electron multipliers, which provide some unique capabilities when combined with bare Medipix/Timepix readout. [...]
2020 - 17 p. - Published in : Radiat. Meas. 130 (2020) 106228 Fulltext: PDF;
In : The Medipix/Timepix ASIC family and its applications, pp.106228
2.
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
3.
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;
4.
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;
5.
40th SPIE Annual Meeting on EUV, X-Ray Instrumentation for Astronomy VI - International Society for Optical Engineering (SPIE)   1995  - San Diego, CA, USA  / Siegmund, O H (ed.); Vallerga, J V (ed.)
1995

Vedi anche: autori con nomi simili
8 Vallerga, J
9 Vallerga, John
1 Vallerga, John V
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