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Proceedings Paper

Loki: a ground-layer adaptive optics high-resolution near-infrared survey camera
Author(s): Christoph Baranec; Michael Lloyd-Hart; Michael Meyer
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Paper Abstract

We present the design of a new high-resolution near-infrared survey camera that will take advantage of the wide corrected field afforded by the 6.5 m MMT's new multi-laser ground-layer adaptive optics (GLAO) system. GLAO technology will correct for turbulence close to the telescope aperture where typically 1/2 to 2/3 of the total atmospheric turbulence lies and is expected to deliver image widths of 0.1-0.2 arc seconds in the near-infrared across a wide range of seeing conditions. The new camera will use a 2 by 2 mosaic of JWST NIRCam detectors, 2048 x 2048 arrays sensitive from 0.6 - 2.5 μm based on Teledyne's HgCdTe HAWAII-2RG detector technology. The camera has a 4 arc minute square field, giving a plate scale of approximately 0.06 arc seconds/pixel, critically sampling the GLAO PSF. In addition, high resolution (0.25 arc seconds or better) multi-object spectroscopy can be supported with cold slit masks inside the dewar; allowing potentially hundreds of spectra to be obtained at once with resolutions of up to 10,000.

Paper Details

Date Published: 24 September 2007
PDF: 9 pages
Proc. SPIE 6691, Astronomical Adaptive Optics Systems and Applications III, 669106 (24 September 2007); doi: 10.1117/12.733144
Show Author Affiliations
Christoph Baranec, Steward Observatory, Univ. of Arizona (United States)
Michael Lloyd-Hart, Steward Observatory, Univ. of Arizona (United States)
Michael Meyer, Steward Observatory, Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 6691:
Astronomical Adaptive Optics Systems and Applications III
Robert K. Tyson; Michael Lloyd-Hart, Editor(s)

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