Tompkin, W.R.Schilling, A.Weiteneder, C.Herzig, H. P.2009-04-222009-04-222009-04-22200210.1117/12.462714https://infoscience.epfl.ch/handle/20.500.14299/37855Zero-order gratings for optically variable devicestext::conference output::conference proceedings::conference paper