Development and integration of new functions in InGaAs imaging

Thierry Colin; Gulnar Dagher; Cyrille Bonvalot; Romain Grille; Margaux Renaudat Saint-Jean; Jérome Fantini; Jérome Coussement; Nicolas Péré-Laperne; Stéphane Tisserand; Marc Hubert; Vincent Sauget; Kevin Bigot; Yves Courcol; Hervé Lonjaret

doi:10.1117/12.2618921

27 May 2022 Development and integration of new functions in InGaAs imaging

Thierry Colin, Gulnar Dagher, Cyrille Bonvalot, Romain Grille, Margaux Renaudat Saint-Jean, Jérome Fantini, Jérome Coussement, Nicolas Péré-Laperne, Stéphane Tisserand, Marc Hubert, Vincent Sauget, Kevin Bigot, Yves Courcol, Hervé Lonjaret

Author Affiliations +

Proceedings Volume 12107, Infrared Technology and Applications XLVIII; 1210707 (2022) https://doi.org/10.1117/12.2618921
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

The short wave infrared (SWIR) spectral band is an emerging domain thanks to its large potential. Close to VISible/Near Infrared wavelengths, SWIR images interpretation is made easier for the users. In this spectral region, new opportunities can be found in several fields of applications such as defense and security (night vision, active imaging), space (earth observation), transport (automotive safety), or industry (nondestructive process control, food and plastic sorting). In the frame of this paper, two different developments of the InGaAs technology addressing emerging fields of SWIR imaging are described: pixel pitch reduction and multi-spectral imaging. In pixel pitch reduction the obvious objective is to increase the imaging resolution without jeopardizing system cost. Multi-spectral resolution deals, on the other hand, with interposition of pixelated filters in the optical path right onto SWIR focal plane arrays (FPA) to enable a real time spectral analysis of recorded SWIR images.

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Thierry Colin, Gulnar Dagher, Cyrille Bonvalot, Romain Grille, Margaux Renaudat Saint-Jean, Jérome Fantini, Jérome Coussement, Nicolas Péré-Laperne, Stéphane Tisserand, Marc Hubert, Vincent Sauget, Kevin Bigot, Yves Courcol, and Hervé Lonjaret "Development and integration of new functions in InGaAs imaging", Proc. SPIE 12107, Infrared Technology and Applications XLVIII, 1210707 (27 May 2022); https://doi.org/10.1117/12.2618921

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