Recent advances on long wave p on n HgCdTe infrared technology

Laurent Rubaldo; Rachid Taalat; Jocelyn Berthoz; Magalie Maillard; Nicolas Péré-Laperne; Alexandre Brunner; Pierre Guinedor; L. Dargent; A. Manissadjian; Y. Reibel; A. Kerlain

doi:10.1117/12.2257451

27 January 2017 Recent advances on long wave p on n HgCdTe infrared technology

Laurent Rubaldo, Rachid Taalat, Jocelyn Berthoz, Magalie Maillard, Nicolas Péré-Laperne, Alexandre Brunner, Pierre Guinedor, L. Dargent, A. Manissadjian, Y. Reibel, A. Kerlain

Author Affiliations +

Proceedings Volume 10111, Quantum Sensing and Nano Electronics and Photonics XIV; 101112H (2017) https://doi.org/10.1117/12.2257451
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

SOFRADIR is the worldwide leader on the cooled IR detector market for high-performance space, military and security applications thanks to a well mastered Mercury Cadmium Telluride (MCT) technology, and recently thanks to the acquisition of III-V technology: InSb, InGaAs, and QWIP quantum detectors. As a result, strong and continuous development efforts are deployed to deliver cutting edge products with improved performances in terms of spatial and thermal resolution, dark current, quantum efficiency, low excess noise and high operability. The actual trend in quantum IR detector development is the design of very small pixel, with the higher achievable operating temperature whatever the spectral band. Moreover maintaining the detector operability and image quality at higher temperature moreover for long wavelength is a major issue. This paper presents the recent developments achieved at Sofradir to meet this challenge for LW band MCT extrinsic p on n technology with a cut-off wavelength of 9.3μm at 90K. State of the art performances will be presented in terms of dark current, operability and NETD temperature dependency, quantum efficiency, MTF, and RFPN (Residual Fixed Pattern Noise) stability up to 100K.

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Laurent Rubaldo, Rachid Taalat, Jocelyn Berthoz, Magalie Maillard, Nicolas Péré-Laperne, Alexandre Brunner, Pierre Guinedor, L. Dargent, A. Manissadjian, Y. Reibel, and A. Kerlain "Recent advances on long wave p on n HgCdTe infrared technology", Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 101112H (27 January 2017); https://doi.org/10.1117/12.2257451

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