%0 Journal Article %T Non-contact large-scale separated surfaces flatness measurement by using laser beam and laser distance sensor %A Li, Xudong %A Fan, Bo %A Jiang, Hongzhi %A Zhao, Huijie %J Proceedings of SPIE %V 9524 %P 95241N-95241N-6 %@ 0277-786X %D 2015-07-17 %I SPIE %~ DeepDyve