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The Infrared Imaging Spectrograph (IRIS) for TMT: the atmospheric dispersion corrector

Instrumentation and Methods for Astrophysics 2015-05-19 v1
Authors: Andrew C. Phillips , Brian J. Bauman , James E. Larkin , Anna M. Moore , Cynthia N. Niehaus , David Cramptone , Luc Simard
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Abstract

We present a conceptual design for the atmospheric dispersion corrector (ADC) for TMT's Infrared Imaging Spectrograph (IRIS). The severe requirements of this ADC are reviewed, as are limitations to observing caused by uncorrectable atmospheric effects. The requirement of residual dispersion less than 1 milliarcsecond can be met with certain glass combinations. The design decisions are discussed and the performance of the design ADC is described. Alternative options and their performance tradeoffs are also presented.

Keywords

atmospheric dispersion corrector infrared imaging spectrograph TMT residual dispersion glass combinations adaptive optics

Cite

@article{arxiv.1007.1977,
  title  = {The Infrared Imaging Spectrograph (IRIS) for TMT: the atmospheric dispersion corrector},
  author = {Andrew C. Phillips and Brian J. Bauman and James E. Larkin and Anna M. Moore and Cynthia N. Niehaus and David Cramptone and Luc Simard},
  journal= {arXiv preprint arXiv:1007.1977},
  year   = {2015}
}

Comments

SPIE Astronomical Instrumentation 2010

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