Physics – Optics
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114..275l&link_type=abstract
Conference on Active Telescope Systems, p. 275 - 287
Physics
Optics
Active Optics: Space Instrumentation
Scientific paper
Improvements in state-of-the-art focal plane sensors mean that the next level of performance improvement for astronomical instruments must come from an increase in the aperture. While both monolithic and segmented mirrors are being considered for ground-based systems, weight and volume constraints make segmented reflectors the only practical approach for space systems. This paper describes an experimental apparatus. The ASCIE consists of a Cassegrain optical configuration with a 2-m seven-segment actively controlled primary mirror supported by a light, flexible truss structure. This paper describes the ASCIE test bed, presents details of the control and optical measurement systems, and reports on preliminary performance results.
Aubrun Jean-Noel
Lorell Kenneth R.
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