New developments on InGaAs focal plane array

J. Coussement; A. Rouvié; E. H. Oubensaid; O. Huet; S. Hamard; J.-P. Truffer; M. Pozzi; P. Maillart; Y. Reibel; E. Costard; D. Billon-Lanfrey

doi:10.1117/12.2051219

24 June 2014 New developments on InGaAs focal plane array

J. Coussement, A. Rouvié, E. H. Oubensaid, O. Huet, S. Hamard, J.-P. Truffer, M. Pozzi, P. Maillart, Y. Reibel, E. Costard, D. Billon-Lanfrey

Author Affiliations +

Proceedings Volume 9070, Infrared Technology and Applications XL; 907005 (2014) https://doi.org/10.1117/12.2051219
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

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 recent transfer of imagery activities from III-VLab to Sofradir provides a framework for the production activity with the manufacturing of high performances products: CACTUS320 SW and CACTUS640 SW. The developments, begun at III-Vlab towards VGA format with 15μm pixel pitch, lead today to the industrialization of a new product: SNAKE SW. On one side, the InGaAs detection array presents high performances in terms of dark current and quantum efficiency. On the other side, the low noise ROIC has different additional functionalities. Then this 640×512 @ 15μm module appears as well suited to answer the needs of a wide range of applications. In this paper, we will present the Sofradir InGaAs technology, some performances optimization and the last developments leading to SNAKE SW.

Citation Download Citation

J. Coussement, A. Rouvié, E. H. Oubensaid, O. Huet, S. Hamard, J.-P. Truffer, M. Pozzi, P. Maillart, Y. Reibel, E. Costard, and D. Billon-Lanfrey "New developments on InGaAs focal plane array", Proc. SPIE 9070, Infrared Technology and Applications XL, 907005 (24 June 2014); https://doi.org/10.1117/12.2051219

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