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Proceedings Paper

Preliminary optical design for the TMT mid-infrared adaptive optics system and echelle spectrograph
Author(s): Ming Liang; J. H. Elias; A. T. Tokunaga; M. R. Chun; M. J. Richter; L. Daggert; T. Bond
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Paper Abstract

We present a preliminary optical design for a mid-infrared, high-resolution spectrograph (MIRES), together with an integrated adaptive optics system optimized for the mid-infrared, intended for use on a 30-meter telescope. The design includes laser guide star wavefront sensors, a near-infrared natural guide star wavefront sensor with a patrol field of 60 arcseconds, and near-infrared and mid-infrared imaging channels, in addition to the cross-dispersed spectrograph itself. The spectrograph provides resolution of up to 120,000 and continuous spectral coverage over multiple cross-dispersed orders, with high efficiency between 4.5 and 25 microns.

Paper Details

Date Published: 29 June 2006
PDF: 12 pages
Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626943 (29 June 2006); doi: 10.1117/12.670463
Show Author Affiliations
Ming Liang, National Optical Astronomy Observatory (United States)
J. H. Elias, National Optical Astronomy Observatory (United States)
A. T. Tokunaga, Institute for Astronomy, Univ. of Hawaii (United States)
M. R. Chun, Institute for Astronomy, Univ. of Hawaii (United States)
M. J. Richter, Univ. of California, Davis (United States)
L. Daggert, National Optical Astronomy Observatory (United States)
T. Bond, Institute for Astronomy, Univ. of Hawaii (United States)


Published in SPIE Proceedings Vol. 6269:
Ground-based and Airborne Instrumentation for Astronomy
Ian S. McLean; Masanori Iye, Editor(s)

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