Preliminary optical design for the TMT mid-infrared adaptive optics system and echelle spectrograph

Ming Liang; J. H. Elias; A. T. Tokunaga; M. R. Chun; M. J. Richter; L. Daggert; T. Bond

doi:10.1117/12.670463

29 June 2006 Preliminary optical design for the TMT mid-infrared adaptive optics system and echelle spectrograph

Ming Liang, J. H. Elias, A. T. Tokunaga, M. R. Chun, M. J. Richter, L. Daggert, T. Bond

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 626943 (2006) https://doi.org/10.1117/12.670463
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

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.

Citation Download Citation

Ming Liang, J. H. Elias, A. T. Tokunaga, M. R. Chun, M. J. Richter, L. Daggert, and T. Bond "Preliminary optical design for the TMT mid-infrared adaptive optics system and echelle spectrograph", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626943 (29 June 2006); https://doi.org/10.1117/12.670463

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