6 August 2014 The Infrared Imaging Spectrograph (IRIS) for TMT: instrument overview
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Abstract
We present an overview of the design of IRIS, an infrared (0.84 - 2.4 micron) integral field spectrograph and imaging camera for the Thirty Meter Telescope (TMT). With extremely low wavefront error (<30 nm) and on-board wavefront sensors, IRIS will take advantage of the high angular resolution of the narrow field infrared adaptive optics system (NFIRAOS) to dissect the sky at the diffraction limit of the 30-meter aperture. With a primary spectral resolution of 4000 and spatial sampling starting at 4 milliarcseconds, the instrument will create an unparalleled ability to explore high redshift galaxies, the Galactic center, star forming regions and virtually any astrophysical object. This paper summarizes the entire design and basic capabilities. Among the design innovations is the combination of lenslet and slicer integral field units, new 4Kx4k detectors, extremely precise atmospheric dispersion correction, infrared wavefront sensors, and a very large vacuum cryogenic system.
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Anna M. Moore, Anna M. Moore, James E. Larkin, James E. Larkin, Shelley A. Wright, Shelley A. Wright, Brian Bauman, Brian Bauman, Jennifer Dunn, Jennifer Dunn, Brent Ellerbroek, Brent Ellerbroek, Andrew C. Phillips, Andrew C. Phillips, Luc Simard, Luc Simard, Ryuji Suzuki, Ryuji Suzuki, Kai Zhang, Kai Zhang, Ted Aliado, Ted Aliado, George Brims, George Brims, John Canfield, John Canfield, Shaojie Chen, Shaojie Chen, Richard Dekany, Richard Dekany, Alex Delacroix, Alex Delacroix, Tuan Do, Tuan Do, Glen Herriot, Glen Herriot, Bungo Ikenoue, Bungo Ikenoue, Chris Johnson, Chris Johnson, Elliot Meyer, Elliot Meyer, Yoshiyuki Obuchi, Yoshiyuki Obuchi, John Pazder, John Pazder, Vladimir Reshetov, Vladimir Reshetov, Reed Riddle, Reed Riddle, Sakae Saito, Sakae Saito, Roger Smith, Roger Smith, Ji Man Sohn, Ji Man Sohn, Fumihiro Uraguchi, Fumihiro Uraguchi, Tomonori Usuda, Tomonori Usuda, Eric Wang, Eric Wang, Lianqi Wang, Lianqi Wang, Jason Weiss, Jason Weiss, Robert Wooff, Robert Wooff, "The Infrared Imaging Spectrograph (IRIS) for TMT: instrument overview", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 914724 (6 August 2014); doi: 10.1117/12.2055216; https://doi.org/10.1117/12.2055216
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