Optical assembly concept for SOFIA

Peter A. Jones; David F. House; Fredric J. Sturgis

doi:10.1117/12.176197

1 June 1994 Optical assembly concept for SOFIA

Peter A. Jones, David F. House, Fredric J. Sturgis

Proceedings Volume 2199, Advanced Technology Optical Telescopes V; (1994) https://doi.org/10.1117/12.176197
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

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. A concept for the telescope optical assembly which includes the primary mirror, secondary mirror, tertiary mirrors, and the metering structure will be discussed. The optical assembly is modular to facilitate assembly/disassembly operations. The optical assembly will have an image quality of less than 1.5 arcseconds, operate at elevation orientations from 15 degree(s) to 70 degree(s), and reach thermal equilibrium at -40 degree(s)C in less than 2 hours. A passive lightweighted monolithic primary mirror design based on proven technology has been shown to be a key element in meeting these requirements.

Citation Download Citation

Peter A. Jones, David F. House, and Fredric J. Sturgis "Optical assembly concept for SOFIA", Proc. SPIE 2199, Advanced Technology Optical Telescopes V, (1 June 1994); https://doi.org/10.1117/12.176197

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