Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dms..conf...75g&link_type=abstract
DEEP MILLIMETER SURVEYS Implications for Galaxy Formation and Evolution. Held 19-21 June 2000 in University of Massachusetts, Am
Astronomy and Astrophysics
Astronomy
Adjustable Reflector, Cfrp, Millimeter Wave Radio Astronomy
Scientific paper
High accuracy, very lightweight carbon fiber reinforced plastic (CFRP) membrane reflectors have been demonstrated by Composite Optics, Inc. (COI) for applications in ground-based, millimeter wave radio astronomy. The figure of a semi-rigid membrane can be significantly improved by suitably altering the adjustment of an array of passive adjusters that support the membrane. A factor of ten contour improvement is possible. First, the surface is measured and analyzed for Zernike error modes. Then an adjustment scenario, dictated by a customized software program, is applied to the adjusters. This process is repeated to produce dimensionally stable reflectors several meters in diameter at or below 0.001 inch rms.
Giles David
Kulick Seth
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