Physics
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1059..180d&link_type=abstract
IN: Space sensing, communications, and networking; Proceedings of the Meeting, Los Angeles, CA, Jan. 16-18, 1989 (A90-31926 13-1
Physics
Beam Splitters, Cryogenic Temperature, Focal Plane Devices, Infrared Detectors, Alignment, Cryogenic Equipment, Pixels, Signal To Noise Ratios
Scientific paper
A relatively low-cost and low-technical-risk method for optically abutting mosaic detector arrays to achieve very large staring sensor focal plane assemblies, devised for a DBA proof-of-principle demonstration program for infrared sensor arrays operating at 50 deg K, is demonstrated. The basic concept of the RIMSTAR technology, and design and experimental efforts conducted to eliminate technical risks are described in detail, as well as precision test target and alignment methodologies devised to demonstrate subpixel alignment at cryogenic temperatures. A successful optical butting of two mosaic detector arrays at cryogenic temperatures is achieved, with a final alignment error of approximately 0.15.
Douglass James W.
Moore Richard L.
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