MCT by MBE on GaAs at AIM: state of the art and roadmap

Heinrich Figgemeier; Jan Wenisch; Detlef Eich; Stefan Hanna; Wilhelm Schirmacher; Holger Lutz; Timo Schallenberg; Rainer Breiter

doi:10.1117/12.2178478

4 June 2015 MCT by MBE on GaAs at AIM: state of the art and roadmap

Heinrich Figgemeier, Jan Wenisch, Detlef Eich, Stefan Hanna, Wilhelm Schirmacher, Holger Lutz, Timo Schallenberg, Rainer Breiter

Author Affiliations +

Proceedings Volume 9451, Infrared Technology and Applications XLI; 945127 (2015) https://doi.org/10.1117/12.2178478
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

In multiple publications over the last years, MCT MBE on GaAs has been shown to be a very versatile and promising material system and indeed may be the prime candidate among the alternative substrates for the fabrication of high-performance detectors across the whole IR composition range. In this paper we report on successful growth of MCT on GaAs over the composition range 0.2 < x(Cd) < 0.8. A single color MWIR 640 × 512, 15 μm pitch detector fabricated from this material with an operability of 99.71% at an operating temperature of 120 K is presented. In the LWIR region, an operability of 99.48% at 65 K has been achieved with a 1280 × 1024, 15 μm pitch detector. Finally we report on preliminary results of a dual-color 640 × 512, 20 μm pitch detector with cutoff wavelengths in the 3 - 4 and 4 - 5 μm range.

Citation Download Citation

Heinrich Figgemeier, Jan Wenisch, Detlef Eich, Stefan Hanna, Wilhelm Schirmacher, Holger Lutz, Timo Schallenberg, and Rainer Breiter "MCT by MBE on GaAs at AIM: state of the art and roadmap", Proc. SPIE 9451, Infrared Technology and Applications XLI, 945127 (4 June 2015); https://doi.org/10.1117/12.2178478

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