Edward H. Wishnow,1 Ronald E. Wurtz,1 Sebastien Blais-Ouellette,2 Kem Holland Cook,1 Dennis J. Carr,1 Isabella T. Lewis,1 Frederic Grandmont,3,4 Christopher W. Stubbs5
1Lawrence Livermore National Lab. (United States) 2Univ. de Montreal (Canada) 3Univ. Laval (Canada) 4ABB-Bomem Inc. (Canada) 5Univ. of Washington (United States)
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We present details of the design, operation and calibration of an astronomical visible-band imaging Fourier transform spectrometer (IFTS). This type of instrument produces a spectrum for every pixel in the field of view where the spectral resolution is flexible. The instrument is a dual-input/dual-output Michelson interferometer coupled to the 3.5 meter telescope at the Apache Point Observatory. Imaging performance, and interferograms and spectra from calibration sources and standard stars are discussed.
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Edward H. Wishnow, Ronald E. Wurtz, Sebastien Blais-Ouellette, Kem Holland Cook, Dennis J. Carr, Isabella T. Lewis, Frederic Grandmont, Christopher W. Stubbs, "Visible Imaging Fourier Transform Spectrometer: Design and Calibration," Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); https://doi.org/10.1117/12.461512