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16 June 2020 Type-II superlattice SWaP IDDCA production at IRnova
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Abstract
In this paper, the performance of small, lightweight, and low power (SWaP) midwave infrared (MWIR) type-II superlattice detectors have been studied. The detectors cover the MWIR range from 3.7 μm to 5.1 μm with quantum efficiency higher than 60% in the entire range. Statistics from the focal plane array (FPA) production show excellent reproducibility with average temporal NETD of 20 mK, spatial NETD of 5 mK and operability values typically higher than 99.85%. Good uniformity across the arrays is demonstrated with narrow NETD histograms and highly uniform gain-correction maps. Temperature studies of the FPA performance show that the low NETD values, good uniformity and high operability are maintained up to 110 K. After integration of these FPAs in SWaP integrated detector dewar cooler assemblies (IDDCAs) with F/5.5, the high FPA performance is maintained with good imaging properties.
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L. Höglund, S. Naureen, W. Diel, S. Smuk, R. Ivanov, A. Smuk, M. Delmas, D. Evans, D. Rihtnesberg, S. Almqvist, S. Becanovic, P. Tinghag, S. Fattala, E. Trybom, and E. Costard "Type-II superlattice SWaP IDDCA production at IRnova", Proc. SPIE 11407, Infrared Technology and Applications XLVI, 114070P (16 June 2020); https://doi.org/10.1117/12.2558707
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