28 June 2006 FISICA: the Florida imager slicer for infrared cosmology and astrophysics
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Abstract
We report on the design, fabrication, and on-sky performance of the Florida Image Slicer for Infrared Cosmology and Astrophysics (FISICA) - a fully-cryogenic all-reflective image-slicing integral field unit for the FLAMINGOS near-infrared spectrograph. Designed to accept input beams near f/15, FISICA with FLAMINGOS provides R~1300 spectra over a 16x33-arcsec field-of-view on the Cassegrain f/15 focus of the KPNO 4-meter telescope, or a 6x12-arcsec field-of-view on the Nasmyth or Bent Cassegrain foci of the Gran Telescopio Canarias 10.4-meter telescope. FISICA accomplishes this using three sets of "monolithic" powered mirror arrays, each with 22 mirrored surfaces cut into a single piece of aluminum. We review the optical and opto-mechanical design and fabrication of FISICA, as well as laboratory test results for FISICA integrated with the FLAMINGOS instrument. Finally, we present performance results from observations with FISICA at the KPNO 4-m telescope and comparisons of FISICA performance to other available IFUs on 4-m to 8-m-class telescopes.
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Stephen Eikenberry, S. Nicholas Raines, Nicolas Gruel, Richard Elston, Rafael Guzman, Jeff Julian, Glenn Boreman, Paul Glenn, Gregory Hull-Allen, Jeffrey Hoffman, Michael Rodgers, Kevin Thompson, Scott Flint, Lovell Comstock, Bruce Myrick, "FISICA: the Florida imager slicer for infrared cosmology and astrophysics", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62694L (28 June 2006); doi: 10.1117/12.672184; https://doi.org/10.1117/12.672184
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