Characterization of telescope polarization properties across the visible and near-infrared spectrum - Case study: the Dunn Solar TelescopeH. Socas-Navarro, D. Elmore, A. Asensio Ramos and D. M. HarringtonA&A, 531 (2011) A2DOI: https://doi.org/10.1051/0004-6361/201015804