Spectral slicing for METIS: an efficient alternative to cross-dispersion

M. Wells; S. P. Todd; A. C. H. Glasse; J. Strachan

doi:10.1117/12.2232353

22 July 2016 Spectral slicing for METIS: an efficient alternative to cross-dispersion

M. Wells, S. P. Todd, A. C. H. Glasse, J. Strachan

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99125S (2016) https://doi.org/10.1117/12.2232353
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Image slicing integral field units were developed to provide spatially resolved spectroscopy over a two dimensional field of view. Spectral slicing applies similar design principles to provide an alternative to cross-dispersion. Key benefits include more efficient use of detector space and greater flexibility in selecting the wavelength ranges within each band. We will describe the design of a deployable spectral slicing mode as part of the METIS LM-band high resolution spectrometer.

Citation Download Citation

M. Wells, S. P. Todd, A. C. H. Glasse, and J. Strachan "Spectral slicing for METIS: an efficient alternative to cross-dispersion", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99125S (22 July 2016); https://doi.org/10.1117/12.2232353

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