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Communication Dans Un Congrès Année : 2017

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

Résumé

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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Electronique
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Dates et versions

hal-01628443 , version 1 (03-11-2017)

Identifiants

Citer

Jean Nghiem, Julien Jaeck, Edouard Giard, Marcel Caes, Jean-Baptiste Rodriguez, et al.. MTF and FPN measurements to evaluate midwave infrared T2SL focal plane arrays. QUANTUM SENSING AND NANO ELECTRONICS AND PHOTONICS XIV, 2017, San Francisco, United States. pp.UNSP 101111D, ⟨10.1117/12.2251160⟩. ⟨hal-01628443⟩
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