University of Hertfordshire

By the same authors

CanariCam: a multimode mid-infrared camera for the Gran Telescopio CANARIAS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • C.M. Telesco
  • D. Ciardi
  • J. French
  • C. Ftaclas
  • K.T. Hanna
  • J. Hough
  • J. Julian
  • M. Kidger
  • C. Packham
  • R.K. Pina
  • F. Varosi
  • R.G. Sellar
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Original languageEnglish
Title of host publicationInstrument Design and Performance for Optical/Infrared Ground-based Telescopes 4841
PublisherInt Soc for Optical Engineering
Pages913-922
DOIs
Publication statusPublished - 2003

Publication series

NameProceedings of the SPIE
Volume4841

Abstract

The University of Florida is developing a mid-infrared camera for the 10.4-meter Gran Telescopio CANARIAS. CanariCam has four science modes and two engineering modes, which use the same 320 x 240-pixel, arsenic-doped silicon, blocked-impurity-band detector from Raytheon. Each mode can be remotely selected quickly during an observing sequence. The pixel scale is 0.08 arcsec, resulting in Nyquist sampling of the diffraction-limited point-spread-function at 8 μm, the shortest wavelength for which CanariCam is optimized. The total available field of view for imaging is 26 arcsec x 19 arcsec. The primary science mode will be diffraction-limited imaging using one of several available spectral filters in the 10 μm (8-14 μm) and 20 μm (16-25 μm) atmospheric windows. Any one of four plane gratings can be inserted for low and moderate-resolution (R = 100 - 1300) slit spectroscopy in the 10 and 20-μm regions. Insertion of appropriate field and pupil stops converts the camera into a coronagraph, while insertion of an internal rotating half-wave plate, a field mask, and a Wollaston prism converts the camera into a dual-beam polarimeter.

Notes

Copyright 2003 Society of Photo-Optical Instrumentation Engineers. DOI: 10.1117/12.458979 [Full text of this article is not available in the UHRA]

ID: 154883