Rapid 3D µ-printing of polymer optical whispering-gallery mode resonators Wu, Jushuai ; Guo, Xin ; Zhang, A. Ping ; Tam, Hwa-Yaw Abstract Publication: Optics Express Pub Date: November 2015 DOI: 10.1364/OE.23.029708 Bibcode: 2015OExpr..2329708W