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30 June 2006 Preliminary optical design for a 2.2 degree diameter prime focus corrector for the Blanco 4 meter telescope
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Abstract
We describe a five element corrector for the prime focus of the 4 meter Blanco telescope at the Cerro Tololo Inter-American Observatory (CTIO) in Chile that will be used in conjunction with a new mosaic CCD camera as part of the proposed Dark Energy Survey (DES). The corrector is designed to provide a flat focal plane and good images in the SDSS g, r, i, and z filters. We describe the performance in conjunction with the scientific requirements of the DES, particularly with regard to ghosting and weak-lensing point spread function (PSF) calibration.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Kent, R. Bernstein, T. Abbott, B. Bigelow, D. Brooks, P. Doel, B. Flaugher, M. Gladders, A. Walker, and S. Worswick "Preliminary optical design for a 2.2 degree diameter prime focus corrector for the Blanco 4 meter telescope", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626937 (30 June 2006); https://doi.org/10.1117/12.672097
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