%0 Journal Article %T Characterizing opto-electret based paper speakers by using a real-time projection Moiré metrology system %A Chang, Ya-Ling %A Hsu, Kuan-Yu %A Lee, Chih-Kung %J Proceedings of SPIE %V 9754 %P 97540G-97540G-7 %@ 0277-786X %D 2016-03-16 %I SPIE %~ DeepDyve