10.6084/m9.figshare.5188237.v1 Zhuqing Zhu Zhuqing Zhu Xiaolei Wang Xiaolei Wang Liping Gong Liping Gong Gu Bing Gu Bing Qiwen Zhan Qiwen Zhan Visualization 1.mpeg Optica Publishing Group 2017 Polarization Diffractive optics Laser beam shaping 2017-07-14 16:04:31 Media https://opticapublishing.figshare.com/articles/media/Visualization_1_mpeg/5188237 The movie presents four focal spots continuous shifting along a Pyramid-like trajectory in three-dimensional space.