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Proceedings Paper

Source-Coupled HgCdTe Staring Hybrid Focal Planes For Tactical Applications
Author(s): K. Chow; J. D. Blackwell; J. P. Rode; D. H. Seib; W. N. Lin
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Paper 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.

Paper Details

Date Published: 20 July 1981
PDF: 6 pages
Proc. SPIE 0267, Staring Infrared Focal Plane Technology, (20 July 1981); doi: 10.1117/12.959906
Show Author Affiliations
K. Chow, Rockwell International Science Center (United States)
J. D. Blackwell, Rockwell International Science Center (United States)
J. P. Rode, Rockwell International Science Center (United States)
D. H. Seib, Rockwell International Science Center (United States)
W. N. Lin, Rockwell International Science Center (United States)

Published in SPIE Proceedings Vol. 0267:
Staring Infrared Focal Plane Technology
David N. Pocock, Editor(s)

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