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Proceedings Paper

Custom CCD for adaptive optics applications
Author(s): Mark Downing; Robin Arsenault; Dietrich Baade; Philippe Balard; Ray Bell; David Burt; Sandy Denney; Philippe Feautrier; Thierry Fusco; Jean-Luc Gach; José Javier Diaz Garcia; Christian Guillaume; Norbert Hubin; Paul Jorden; Markus Kasper; Manfred Meyer; Peter Pool; Javier Reyes; Michael Skegg; Eric Stadler; Wolfgang Suske; Patrick Wheeler
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Paper Abstract

ESO and JRA2 OPTICON have funded e2v technologies to develop a compact packaged Peltier cooled 24 μm square 240x240 pixels split frame transfer 8-output back-illuminated L3Vision CCD3, L3Vision CCD for Adaptive Optic Wave Front Sensor (AO WFS) applications. The device is designed to achieve sub-electron read noise at frame rates from 25 Hz to 1,500 Hz and dark current lower than 0.01 e-/pixel/frame. The development has many unique features. To obtain high frame rates, multi-output EMCCD gain registers and metal buttressing of row clock lines are used. The baseline device is built in standard silicon. In addition, a split wafer run has enabled two speculative variants to be built; deep depletion silicon devices to improve red response and devices with an electronic shutter to extend use to Rayleigh and Pulsed Laser Guide Star applications. These are all firsts for L3Vision CCDs. The designs of the CCD and Peltier package have passed their reviews and fabrication has begun. This paper will describe the progress to date, the requirements and the design of the CCD and compact Peltier package, technology trade-offs, schedule and proposed test plan. High readout speed, low noise and compactness (requirement to fit in confined spaces) provide special challenges to ESO's AO variant of its NGC, New General detector Controller to drive this CCD. This paper will describe progress made on the design of the controller to meet these special needs.

Paper Details

Date Published: 15 June 2006
PDF: 12 pages
Proc. SPIE 6276, High Energy, Optical, and Infrared Detectors for Astronomy II, 62760H (15 June 2006); doi: 10.1117/12.671330
Show Author Affiliations
Mark Downing, European Southern Observatory (Germany)
Robin Arsenault, European Southern Observatory (Germany)
Dietrich Baade, European Southern Observatory (Germany)
Philippe Balard, Lab. d'Astrophysique de Marseille (France)
Ray Bell, e2v technologies ltd. (United Kingdom)
David Burt, e2v technologies ltd. (United Kingdom)
Sandy Denney, e2v technologies ltd. (United Kingdom)
Philippe Feautrier, Domaine Univ. (France)
Thierry Fusco, ONERA (France)
Jean-Luc Gach, Lab. d'Astrophysique de Marseille (France)
José Javier Diaz Garcia, Instituto de Astrofísica de Canarias (Spain)
Christian Guillaume, Observatoire de Haute Provence (France)
Norbert Hubin, European Southern Observatory (Germany)
Paul Jorden, e2v technologies ltd. (United Kingdom)
Markus Kasper, European Southern Observatory (Germany)
Manfred Meyer, European Southern Observatory (Germany)
Peter Pool, e2v technologies ltd. (United Kingdom)
Javier Reyes, European Southern Observatory (Germany)
Michael Skegg, e2v technologies ltd. (United Kingdom)
Eric Stadler, Domaine Univ. (France)
Wolfgang Suske, e2v technologies ltd. (United Kingdom)
Patrick Wheeler, e2v technologies ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 6276:
High Energy, Optical, and Infrared Detectors for Astronomy II
David A. Dorn; Andrew D. Holland, Editor(s)

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