Source-Coupled HgCdTe Staring Hybrid Focal Planes For Tactical Applications

K. Chow; J. D. Blackwell; J. P. Rode; D. H. Seib; W. N. Lin

doi:10.1117/12.959906

20 July 1981 Source-Coupled HgCdTe Staring Hybrid Focal Planes For Tactical Applications

K. Chow, J. D. Blackwell, J. P. Rode, D. H. Seib, W. N. Lin

Proceedings Volume 0267, Staring Infrared Focal Plane Technology; (1981) https://doi.org/10.1117/12.959906
Event: 1981 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

Staring infrared focal plane arrays with epitaxial HgCdTe photovoltaic detectors coupled to surface channel CCD multiplexers have been fabricated and characterized. A source-coupled input circuit with background suppression is utilized. The HgCdTe backside-illuminated detector arrays have bandgaps suitable for operation in either the 3 - 5 or 8 - 12 μm region. Performance characterization of the multiplexer will be given at cryogenic temperatures. Charge transfer efficiency, subthreshold transconductance, threshold voltage temperature dependence, and 1/f noise measurements will be presented. These measurements will be compared with ideal models. Characteristics of the hybrid focal plane have been measured in a wide variety of backgrounds. Data will be presented on the noise characteristics, detectivity and noise equivalent temperature difference in backgrounds and temperatures suitable for passive thermal imaging.

Citation Download Citation

K. Chow, J. D. Blackwell, J. P. Rode, D. H. Seib, and W. N. Lin "Source-Coupled HgCdTe Staring Hybrid Focal Planes For Tactical Applications", Proc. SPIE 0267, Staring Infrared Focal Plane Technology, (20 July 1981); https://doi.org/10.1117/12.959906

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