Propagation of controllable anomalous hollow beams in gradient refractive index medium
WANG Yuanbo , GUO Miaojun , WANG Pinghao , JIANG Qichang
Chinese Journal of Quantum Electronics . 2025, (5): 652 -662 .  DOI: 10.3969/j.issn.1007-5461.2025.05.007