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Proceedings Paper

Characterization and acceptance testing of fully depleted thick CCDs for the Large Synoptic Survey Telescope
Author(s): Ivan V. Kotov; Justine Haupt; Paul O'Connor; Thomas Smith; Peter Takacs; Homer Neal; Jim Chiang
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Paper Abstract

The Large Synoptic Survey Telescope (LSST) camera will be made as a mosaic assembled of 189 large format Charge Coupled Devices (CCD). They are n-channel, 100 micron thick devices operated in the over depleted regime. There are 16 segments, 1 million pixels each, that are read out through separate amplifiers. The image quality and readout speed expected from LSST camera translates into strict acceptance requirements for individual sensors.

Prototype sensors and preproduction CCDs were delivered by vendors and they have been used for developing test procedures and protocols. Building upon this experience, two test stands were designed and commissioned at Brookhaven National Laboratory for production electro-optical testing.

In this article, the sensor acceptance criteria are outlined and discussed, the test stand design and used equipment are presented and the results from commissioning sensor runs are shown.

Paper Details

Date Published: 27 July 2016
PDF: 13 pages
Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99150V (27 July 2016); doi: 10.1117/12.2231925
Show Author Affiliations
Ivan V. Kotov, Brookhaven National Lab. (United States)
Justine Haupt, Brookhaven National Lab. (United States)
Paul O'Connor, Brookhaven National Lab. (United States)
Thomas Smith, Brookhaven National Lab. (United States)
Peter Takacs, Brookhaven National Lab. (United States)
Homer Neal, SLAC National Accelerator Lab. (United States)
Jim Chiang, SLAC National Accelerator Lab. (United States)

Published in SPIE Proceedings Vol. 9915:
High Energy, Optical, and Infrared Detectors for Astronomy VII
Andrew D. Holland; James Beletic, Editor(s)

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