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Proceedings Paper

Non-uniformity correction results for Sofradir infrared 2D staring arrays
Author(s): Agnès Combette; David Billon-Lanfrey; Annie Cuelhe; David Gohier; Philippe Tribolet
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Paper Abstract

The post correction uniformity performance of infrared 2D starring arrays is a key factor to ensure the best IR image quality at the camera level. SOFRADIR has conducted several studies to improve both the post correction uniformity performance and the correction tables stability over the time periods, the readout integrated circuit configuration and the environmental conditions. Indeed, works have been performed on the homogeneity technology deposits, on the improvement of the readout circuit linearity and on the optimization of the dewar design to reduce the parasitical fluxes. Thanks to these improvements, Sofradir offers to its customers high level post correction uniformity performances as well as excellent correction tables stability for the mid wave and long wave infrared band. Thus, the calibrations constraints are reduced at the camera level and the image quality is optimized over a large camera utilization conditions.

Paper Details

Date Published: 14 May 2007
PDF: 12 pages
Proc. SPIE 6542, Infrared Technology and Applications XXXIII, 65423Q (14 May 2007); doi: 10.1117/12.721650
Show Author Affiliations
Agnès Combette, SOFRADIR (France)
David Billon-Lanfrey, SOFRADIR (France)
Annie Cuelhe, SOFRADIR (France)
David Gohier, SOFRADIR (France)
Philippe Tribolet, SOFRADIR (France)

Published in SPIE Proceedings Vol. 6542:
Infrared Technology and Applications XXXIII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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