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Pixel-level modelling and verification for the EUCLID VIS CCD

Clarke, A.; Hall, D.; Murray, N.; Gow, J.; Holland, A. and Burt, D. (2013). Pixel-level modelling and verification for the EUCLID VIS CCD. In: UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, SPIE, article no. 8860 0V.

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Euclid is an M-class mission selected for the next phase of ESA’s long-term Cosmic Vision programme. The mission’s primary aim is to provide insight into the physical cause of the accelerating universe which will be achieved by investigating the nature of dark energy, dark matter and gravity. The investigation will involve the measurement of the effects of intervening gravitational potentials on visible light from distant galaxies, a process known as weak gravitational lensing. The CCD273 was designed by e2v for the Euclid mission, and is based on an older design for the CCD204, with changes designed and implemented to improve operation under irradiation. These changes include a narrower buried channel in the serial register to reduce trap interactions during readout. Pixel level models have been developed to improve knowledge of charge packet distribution within the CCD273 and CCD204 using Silvaco TCAD, enabling more effective predictions to be made about device functionality before and after irradiation which can be immediately tested on both devices. This paper is focussed on latest results, with particular reference to the on-going model verification, designed to build confidence in the device models and provide feedback to further improve the modelling effort.

Item Type: Conference or Workshop Item
Copyright Holders: 2013 Society of Photo-Optical Instrumentation Engineers, one print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
ISBN: 0-8194-9710-X, 978-0-8194-9710-9
ISSN: 0277-786X
Extra Information: UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI
Editors: Howard A. MacEwen, James B. Breckinridge
Proceedings of SPIE vol.8860
Keywords: modeling; TCAD; visible radiation; vision; feedback; galactic astronomy
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Centre for Electronic Imaging (CEI)
Item ID: 39012
Depositing User: David Hall
Date Deposited: 18 Nov 2013 10:29
Last Modified: 07 Dec 2018 23:25
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