General review of multispectral cooled IR development at CEA-Leti, France

F. Boulard; F. Marmonier; C. Grangier; L. Adelmini; O. Gravrand; P. Ballet; X. Baudry; J. Baylet; G. Badano; R. Espiau de Lamaestre; S. Bisotto

doi:10.1117/12.2263447

16 May 2017 General review of multispectral cooled IR development at CEA-Leti, France

F. Boulard, F. Marmonier, C. Grangier, L. Adelmini, O. Gravrand, P. Ballet, X. Baudry, J. Baylet, G. Badano, R. Espiau de Lamaestre, S. Bisotto

Author Affiliations +

Proceedings Volume 10177, Infrared Technology and Applications XLIII; 101771D (2017) https://doi.org/10.1117/12.2263447
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

Multicolor detection capabilities, which bring information on the thermal and chemical composition of the scene, are desirable for advanced infrared (IR) imaging systems. This communication reviews intra and multiband solutions developed at CEA-Leti, from dual-band molecular beam epitaxy grown Mercury Cadmium Telluride (MCT) photodiodes to plasmon-enhanced multicolor IR detectors and backside pixelated filters. Spectral responses, quantum efficiency and detector noise performances, pros and cons regarding global system are discussed in regards to technology maturity, pixel pitch reduction, and affordability. From MWIR-LWIR large band to intra MWIR or LWIR bands peaked detection, results underline the full possibility developed at CEA-Leti.

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F. Boulard, F. Marmonier, C. Grangier, L. Adelmini, O. Gravrand, P. Ballet, X. Baudry, J. Baylet, G. Badano, R. Espiau de Lamaestre, and S. Bisotto "General review of multispectral cooled IR development at CEA-Leti, France", Proc. SPIE 10177, Infrared Technology and Applications XLIII, 101771D (16 May 2017); https://doi.org/10.1117/12.2263447

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