Zhang, Qingchuan Visualization 4.avi Simultaneous trapping three polystyrene beads of 3 m diameter under energy ratio of the left, middle and right trap designed to be 1:1:1.5. Scale bar: 10 m. Optical Devices 2020-03-25
    https://opticapublishing.figshare.com/articles/media/Visualization_4_avi/11497194
10.6084/m9.figshare.11497194.v1