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Proceedings Paper

Preliminary optical design of AIRES: an airborne infrared echelle spectrometer for SOFIA
Author(s): Michael R. Haas; Edwin F. Erickson; James A. Baltz; Sean W. J. Colgan; Dana H. Lynch; James P. McGuire; Robert K. Pina; Thomas L. Roellig; Janet P. Simpson; Charles M. Telesco; Juergen Wolf; Erick T. Young
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Paper Abstract

NASA's Stratospheric Observatory for IR Astronomy (SOFIA) will enable unprecedented IR acuity at wavelengths obscured from the ground. To help open this new chapter in the exploration of the IR universe, we are developing the Airborne IR Echelle Spectrometer (AIRES) as a facility science instrument. Full funding was awarded for a four year development in October, 1997. The instrument is scheduled to come on-line with the observatory in the Fall of 2001. It will be used to investigate a broad range of phenomena that occur in the interstellar medium. AIRES will use a 1200 mm long, 76 degree blaze angle echelle to combine high resolution spectroscopy with diffraction-limited imaging in the cross-dispersion direction. Its three 2D detector arrays will prove good sensitivity over a decade in wavelength. An additional array will be used as a slit viewer for (lambda) <EQ 28 micrometers to image source morphology and to verify telescope pointing. Our scientific motivation, preliminary optical design and packaging, focal plane configuration, echelle prototyping, and cryostat layout are described.

Paper Details

Date Published: 21 August 1998
PDF: 12 pages
Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); doi: 10.1117/12.317297
Show Author Affiliations
Michael R. Haas, NASA Ames Research Ctr. (United States)
Edwin F. Erickson, NASA Ames Research Ctr. (United States)
James A. Baltz, NASA Ames Research Ctr. and Sverdrup Technology (United States)
Sean W. J. Colgan, NASA Ames Research Ctr. (United States)
Dana H. Lynch, NASA Ames Research Ctr. (United States)
James P. McGuire, Optical Research Associates (United States)
Robert K. Pina, Univ. of Florida (United States)
Thomas L. Roellig, NASA Ames Research Ctr. (United States)
Janet P. Simpson, NASA Ames Research Ctr. and SETI Institute (United States)
Charles M. Telesco, Univ. of Florida (United States)
Juergen Wolf, DLR Institut fuer Weltraumsensorik (Germany)
Erick T. Young, Steward Observatory/Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 3354:
Infrared Astronomical Instrumentation
Albert M. Fowler, Editor(s)

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