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Proceedings Paper

Optical design of ARIES: the new near-infrared science instrument for the adaptive f/15 Multiple Mirror Telescope
Author(s): Roland J. Sarlot; Donald W. McCarthy Jr.; James H. Burge; Jian Ge
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Paper Abstract

Steward Observatory is building a deformable f/15 secondary mirror that will compensate for atmospheric turbulence for the 6.5m Multiple Mirror Telescope conversion. With the proposed adaptive optics system, this new telescope is expected to resolve diffraction limited images, approximately an order of magnitude better than present seeing. This improved visibility with a larger light collecting area and low thermal background requires a new science instrument, diffraction limited for the 1 to 5 micrometers region. This science instrument, presently in its early manufacturing stages, consists of four cameras, low resolution spectroscopy with grisms, high resolution spectroscopy with a cross-dispersed Echelle grating and an atmospheric dispersion corrector. The cameras will provide simultaneous slit viewing, differential imaging and two pixel sampling over the full wavelength band. Each camera will operate with a 1024 X 1024 HgCdTe array optimized for the spectral region of the camera. An IR tip/tilt sensor is also incorporated into the instrument that will relay natural guide star motion to the adaptive secondary in a closed-loop approach. This paper is an optical design instrument overview.

Paper Details

Date Published: 5 October 1999
PDF: 10 pages
Proc. SPIE 3779, Current Developments in Optical Design and Optical Engineering VIII, (5 October 1999); doi: 10.1117/12.368218
Show Author Affiliations
Roland J. Sarlot, Steward Observatory/Univ. of Arizona (United States)
Donald W. McCarthy Jr., Steward Observatory/Univ. of Arizona (United States)
James H. Burge, Steward Observatory/Univ. of Arizona and Optical Sciences Ctr./Univ. of Arizona (United States)
Jian Ge, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 3779:
Current Developments in Optical Design and Optical Engineering VIII
Robert E. Fischer; Warren J. Smith, Editor(s)

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