Different wavelength ranges' WGM lasing from a ZnO microrod/R6G:PMMA microcavity Gangyi Zhu, Jitao Li, Panlin Li, Zhengshan Tian, Jun Dai, Yueyue Wang, Zengliang Shi and Chunxiang Xu EPL, 110 6 (2015) 67007 Published online: 16 July 2015 DOI: 10.1209/0295-5075/110/67007