MTF and FPN measurements to evaluate midwave infrared T2SL focal plane arrays

Jean Nghiem; Julien Jaeck; Edouard Giard; Marcel Caes; Jean-Baptiste Rodriguez; Philippe Christol; Riad Haidar; Eric Costard; Isabelle Ribet-Mohamed

doi:10.1117/12.2251160

27 January 2017 MTF and FPN measurements to evaluate midwave infrared T2SL focal plane arrays

Jean Nghiem, Julien Jaeck, Edouard Giard, Marcel Caes, Jean-Baptiste Rodriguez, Philippe Christol, Riad Haidar, Eric Costard, Isabelle Ribet-Mohamed

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Proceedings Volume 10111, Quantum Sensing and Nano Electronics and Photonics XIV; 101111D (2017) https://doi.org/10.1117/12.2251160
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

This paper reports studies on spatial characteristics of Mid Wave InfraRed (MWIR) InAs/GaSb superlattices (T2SL) photodetectors. Modulation Transfer Function (MTF) measurements on commercial T2SL MWIR Focal Plane Array (FPA) are reported, using a Continuously Self Imaging Grating (CSIG). We find that measurements of the pixel size can be reliably achieved thanks to a new approach of data processing. Next, a new class of radiometric characterization, called "correctability", or ability for FPA pixels to durably keep the same behavior when exposed to a given radiometric flux, has been investigated on. Gain and offset corrections and Residual Fixed Pattern Noise (RFPN) measurements have also been made. The results obtained confirm the potentiality of high performance T2SL infrared photodetectors.

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Jean Nghiem, Julien Jaeck, Edouard Giard, Marcel Caes, Jean-Baptiste Rodriguez, Philippe Christol, Riad Haidar, Eric Costard, and Isabelle Ribet-Mohamed "MTF and FPN measurements to evaluate midwave infrared T2SL focal plane arrays", Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 101111D (27 January 2017); https://doi.org/10.1117/12.2251160

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