QWIP as versatile platform for advanced detection in LWIR

R. Ivanov; D. Evans; S. Smuk; D. Rihtnesberg; L. Höglund; M. Gulde; A. Brunn; M. Bierdel; E. Costard

doi:10.1117/12.2618756

27 May 2022 QWIP as versatile platform for advanced detection in LWIR

R. Ivanov, D. Evans, S. Smuk, D. Rihtnesberg, L. Höglund, M. Gulde, A. Brunn, M. Bierdel, E. Costard

Proceedings Volume 12107, Infrared Technology and Applications XLVIII; 121071T (2022) https://doi.org/10.1117/12.2618756
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

Quantum well infrared photodetector (QWIP) technology is an established solution for tactical imaging in the longwave infrared (LWIR), thanks to its unmatched image uniformity, stability and pixel operability (typically >99.9 %). In this paper, we demonstrate that these qualities also make it a versatile platform for other advanced detection applications in this spectral range. First, the development of dual-band (10 and 10.8 µm) QWIP IDDCA as part of the technology demonstrator LisR [1] onboard the International Space Station (ISS) is followed up. Second, enhancement of the object detection in the field studies using polarimetric QWIP imager is presented. Finally, the manufacturability of QWIP focal plane arrays (FPAs) is illustrated by showing the performance statistics from the production of the large-area (16×12 mm² ) and the small-pitch (15 μm) FPAs and uniformity of their characteristics over 4” detector wafers.

Conference Presentation

Citation Download Citation

R. Ivanov, D. Evans, S. Smuk, D. Rihtnesberg, L. Höglund, M. Gulde, A. Brunn, M. Bierdel, and E. Costard "QWIP as versatile platform for advanced detection in LWIR", Proc. SPIE 12107, Infrared Technology and Applications XLVIII, 121071T (27 May 2022); https://doi.org/10.1117/12.2618756

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