Computer Science
Scientific paper
Feb 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4860..351c&link_type=abstract
High-Contrast Imaging for Exo-Planet Detection. Edited by Alfred B. Schultz. Proceedings of the SPIE, Volume 4860, pp. 351-360
Computer Science
Scientific paper
We suggest new approaches towards direct detection, in the near term, of Earth-like planets around Sun-like stars. Optical detection of such 'exo-planets' at visual wavelengths requires telescopes mirrors >1m diameter with very accurate figures, extremely smooth surfaces, and highly unusual shapes. The availability of such mirrors, with reasonable fabrication times and at affordable cost, is an issue of major concern. We describe how composite mirror technology is being developed to meet these very challenging requirements. A number of non-circular mirrors of modest (0.5 to 1.2m) aperture have already been made. We present data on the development and status of a low cost process that can make mirrors of corornagraphic quality with arbitrary shapes, very highly smooth surface, and ultra-low areal density.
Chen Peter C.
Romeo Robert C.
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