TY - GEN AU - Pan,Jui-Wen AU - Shih,Chi-Hao TI - Speckle reduction and maintaining contrast in a LASER pico-projector using a vibrating symmetric diffuser SN - 1094-4087 PY - 2014///1112 N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1364/OE.22.006464 ER -