Effect of fill-factor on the Talbot effect of diffraction gratings Francisco Javier Salgado-Remacha, Luis Miguel Sanchez-Brea and Eusebio Bernabeu J. Eur. Opt. Soc.-Rapid Publ., 6 (2011) 11055 Published online: 08 December 2011 DOI: 10.2971/jeos.2011.11055