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Proceedings Paper

Passive primary mirror concept for SOFIA
Author(s): Peter A. Jones; David F. House; Victor L. Genberg
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Paper Abstract

The Stratospheric Observatory for Infrared Astronomy is a planned 2.5 meter telescope that will be installed in a modified Boeing 747 aircraft and operated at altitudes above 40,000 feet. The telescope requires a primary mirror with an areal density of less than 70 kg/m2 which can operate at elevations from 15 degrees to 70 degrees, and reach thermal equilibrium at -40 degrees C in less than 2 hours. A passive lightweighted monolithic primary mirror design with no active figure control has been shown to be a key element in meeting these requirements. A comparison of mirror designs using alternate mirror materials will be described.

Paper Details

Date Published: 2 June 1995
PDF: 7 pages
Proc. SPIE 2478, Space Telescopes and Instruments, (2 June 1995); doi: 10.1117/12.210924
Show Author Affiliations
Peter A. Jones, Eastman Kodak Co. (United States)
David F. House, Eastman Kodak Co. (United States)
Victor L. Genberg, Eastman Kodak Co. (United States)


Published in SPIE Proceedings Vol. 2478:
Space Telescopes and Instruments
Pierre Y. Bely; James B. Breckinridge, Editor(s)

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