Computer Science – Performance
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2269..368e&link_type=abstract
Proc. SPIE Vol. 2269, p. 368-379, Infrared Technology XX, Bjorn F. Andresen; Ed.
Computer Science
Performance
Scientific paper
Focal plane array research is constrained by the fact that versatile, modular test stations are not available commercially. Typical imaging detector tests mandate fabrication of expensive unique image coupling devices simulating the actual systems under consideration. Stray light and field of view are often not well controlled during tests, leading to lowered signal-to-noise levels and ambiguity regarding performance of an actual system. The University of Alabama in Huntsville has developed an inexpensive process for producing image coupling devices suitable for testing and developing cooled focal plane array systems. Model image couplers for cryogenically cooled focal plane array detector research have been produced by this process. Electrodeposition procedures and precision single point diamond machining, combined with optical design procedures permit fabrication of unique optical systems. Aspheric designs are used permitting excellent control of distortion. Applications include laboratory and field studies of beam expanders, broadband and thermal image couplers suitable for non-contact measurement, IR spectroscopy and durable lightweight telescopes which image on focal plane arrays. Low cost deployable systems are also candidates for this technology.
Cernosek John D.
Engelhaupt Darell E.
Feng Chen
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