19 July 2010 The Large Binocular Telescope mid-infrared camera (LMIRcam): final design and status
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Abstract
We report on the final design and the fabrication status of LMIRcam - a mid-infrared imager/spectrograph that will operate behind the Large Binocular Telescope Interferometer (LBTI) primarily at wavelengths between 3 and 5um (the astronomical L- and M-bands). Within LMIRcam a pair of diamond-turned biconic mirrors re-images a ten arcsecond square field onto a 1024x1024 HAWAII-1RG 5.1um cutoff array. The re-imaging optics provide two pupil planes for the placement of filters and grisms as well as an intermediate image plane. Flexible readout electronics enable operating modes ranging from high frame rate broadband imaging at the longest wavelengths to low background R=400 spectroscopy at shorter wavelengths. The LBTI will provide LMIRcam with a diffraction limited two-mirror PSF with first null dictated by the 14.4 meter separation of the two LBT mirror centers (22.8 meter baseline from edge to edge).
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M. F. Skrutskie, M. F. Skrutskie, T. Jones, T. Jones, P. Hinz, P. Hinz, P. Garnavich, P. Garnavich, J. Wilson, J. Wilson, M. Nelson, M. Nelson, E. Solheid, E. Solheid, O. Durney, O. Durney, W. Hoffmann, W. Hoffmann, V. Vaitheeswaran, V. Vaitheeswaran, T. McMahon, T. McMahon, J. Leisenring, J. Leisenring, A. Wong, A. Wong, } "The Large Binocular Telescope mid-infrared camera (LMIRcam): final design and status", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77353H (19 July 2010); doi: 10.1117/12.857724; https://doi.org/10.1117/12.857724
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