%0 Journal Article %T Diffractive optical elements based on subwavelength high-contrast gratings %A Kroker, Stefanie %A Käsebier, Thomas %A Weber, Thomas %A Steiner, Stefan %A Fuchs, Frank %A Kley, Ernst-Bernhard %A Tünnermann, Andreas %J Proceedings of SPIE %V 8270 %N 1 %P 82700P-82700P-8 %@ 0277-786X %D 2012-01-22 %I SPIE %~ DeepDyve