11 June 2013 SWIR InGaAs focal plane arrays in France
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Abstract
SWIR detection band benefits from natural (sun, night glow, thermal radiation) or artificial (eye safe lasers) photons sources combined to low atmospheric absorption and specific contrast compared to visible wavelengths. It gives the opportunity to address a large spectrum of applications such as defense and security (night vision, active imaging), space (earth observation), transport (automotive safety) or industry (non destructive process control). InGaAs material appears as a good candidate to satisfy SWIR detection needs. The lattice matching with InP constitutes a double advantage to this material: attractive production capacity and uncooled operation thanks to low dark current level induced by high quality material. The study of InGaAs FPA has begun few years ago with III-VLab, gathering expertise in InGaAs material growth and imaging technology respectively from Alcatel-Lucent and Thales, its two mother companies. This work has led to put quickly on the market a 320x256 InGaAs module. The recent transfer of imagery activities from III-VLab to Sofradir allows developing new high performances products, satisfying customers’ new requirements. Especially, a 640x512 InGaAs module with a pitch of 15µm is actually under development to fill the needs of low light level imaging.
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A. Rouvié, A. Rouvié, O. Huet, O. Huet, S. Hamard, S. Hamard, J. P. Truffer, J. P. Truffer, M. Pozzi, M. Pozzi, J. Decobert, J. Decobert, E. Costard, E. Costard, M. Zécri, M. Zécri, P. Maillart, P. Maillart, Y. Reibel, Y. Reibel, A. Pécheur, A. Pécheur, } "SWIR InGaAs focal plane arrays in France", Proc. SPIE 8704, Infrared Technology and Applications XXXIX, 870403 (11 June 2013); doi: 10.1117/12.2015355; https://doi.org/10.1117/12.2015355
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