Computer Science – Performance
Scientific paper
Sep 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3435...52m&link_type=abstract
Proc. SPIE Vol. 3435, p. 52-60, Cryogenic Optical Systems and Instruments VIII, James B. Heaney; Lawrence G. Burriesci; Eds.
Computer Science
Performance
Scientific paper
The combined effects on performance of shear between the two arms, defocus of the detector, and difference in wavefront between the two arms of a Fourier transform spectrometer using cube corner retroreflectors were investigated. Performance was characterized by the amplitude of the fringe signals coming from a detector as the path-length difference was scanned. A closed-form expression was found for the combined effects of shear and defocus, and it was found that defocus had no effect in the absence of shear. The effect of wavefront error was modeled numerically and assumed to be independent of shear and defocus. Results were compared with measurements make on the breadboard and engineering model of the Composite Infrared Spectrometer for the Cassini mission to Saturn, and good agreement was found.
Hagopian John G.
Martino Anthony J.
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