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Proceedings Paper

Ultralightweight and hyperthin rollable primary mirror for space telescopes
Author(s): Robert C. Romeo; Aden B. Meinel; Marjorie P. Meinel; Peter C. Chen
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Paper Abstract

The aperture of monolithic space telescope primary mirrors placed on orbit is limited to payload faring diameters, the largest being about 4-meters. This requires a novel stowage approach for monoliths larger than 4-meters. Very large aperture telescopes, 50 to 100-meter diameters, planned for deployment in the next 10 to 20 years will also require very large mirror segments in an effort to manage the phasing of the entire surface. The larger the mirror panels the fewer that will be required for such apertures. If the mirrors can be made thin enough to be deformed into a cylinder or undeformed but closely nested, enough surface area can be placed on orbit to facilitate large aperture telescope mirrors. 8-meter monolithic mirrors can be rolled into a 2.5-meter diameter cylinder with the secondary support structure stowed in the cylinder to maximize the payload faring volume. Hyper-thin mirrors can be closely nested in order to maximize volume as well. Presented is a design and engineering model of a 0.9-meter diameter hyper-thin, ultra- lightweight spherical composite mirror and methods, which led to the fabrication of the mirror.

Paper Details

Date Published: 28 July 2000
PDF: 6 pages
Proc. SPIE 4013, UV, Optical, and IR Space Telescopes and Instruments, (28 July 2000); doi: 10.1117/12.393998
Show Author Affiliations
Robert C. Romeo, Composite Mirror Applications, Inc. (United States)
Aden B. Meinel, Jet Propulsion Lab. (United States)
Marjorie P. Meinel, Jet Propulsion Lab. (United States)
Peter C. Chen, Composite Mirror Applications, Inc. (United States)


Published in SPIE Proceedings Vol. 4013:
UV, Optical, and IR Space Telescopes and Instruments
James B. Breckinridge; Peter Jakobsen, Editor(s)

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