SAFIR architecture concept

Jonathan W. Arenberg; Suzanne Casement; Martin Flannery; Keith Kroening; John Pohner; Michael Petach; Ray Manning; Chuck F. Lillie; Clyde Misaka

doi:10.1117/12.552420

12 October 2004 SAFIR architecture concept

Jonathan W. Arenberg, Suzanne Casement, Martin Flannery, Keith Kroening, John Pohner, Michael Petach, Ray Manning, Chuck F. Lillie, Clyde Misaka

Author Affiliations +

Proceedings Volume 5487, Optical, Infrared, and Millimeter Space Telescopes; (2004) https://doi.org/10.1117/12.552420
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

A Single Aperture, Far InfraRed Observatory, called SAFIR, is a proposed NASA mission to observe the universe at wavelengths from ~30 to 800 microns. To achieve the mission objectives, the telescope must be of order 10-m in diameter and cooled to ~4K to obtain background limited performance. Northrop Grumman Space Technology (NGST) has developed a conceptual design based on our James Webb Space Telescope (JWST) and Terrestrial Planet Finder (TPF) mission architectures that utilizes a deployable telescope and a large sunshade to achieve the desired mirror temperature. Our design concept includes a 12-m diameter on-axis Gregorian telescope, which provides the wide fields of view desired by the SAFIR science team. We describe the optical design, a packaging concept that allows this telescope to fit in a standard 5- launch vehicle fairing, and initial concepts for the telescope thermal control system.

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Jonathan W. Arenberg, Suzanne Casement, Martin Flannery, Keith Kroening, John Pohner, Michael Petach, Ray Manning, Chuck F. Lillie, and Clyde Misaka "SAFIR architecture concept", Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); https://doi.org/10.1117/12.552420

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KEYWORDS

James Webb Space Telescope

Mirrors

Space telescopes

Telescopes

Space operations

Optical design

Observatories

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