Author Affiliations +
Jun Chang,1 Zhi-Cheng Weng,2 Hui-Ling Jiang,3 Yong-Tian Wang,1 Xiao-Jie Cong2
1Beijing Institute of Technology (China)
2Changchun Institute of Optics, Fine Mechanics and Physics, CAS (China)
3Changchun Institute of Technology (China)