TY - GEN AU - Chen,Hui AU - Geng,Yi AU - Xu,Chengfang AU - Zhuang,Bin AU - Ju,Haijuan AU - Ren,Liyong TI - Efficient light focusing through an MMF based on two-step phase shifting and parallel phase compensating SN - 1539-4522 PY - 2019///1113 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/AO.58.007552 ER -