%0 Journal Article %T Scatterometric characterization of diffractive optical elements %A Saastamoinen, Toni %A Husu, Hannu %A Laukkanen, Janne %A Siitonen, Samuli %A Turunen, Jari %A Lassila, Antti %J Proceedings of SPIE %V 9173 %P 91730I-91730I-4 %@ 0277-786X %D 2014-08-27 %I SPIE %~ DeepDyve