10.1364/BOE.7.002902.v002 Wenguo Zhu Wenguo Zhu Niko Eckerskorn Niko Eckerskorn Avinash Upadhya Avinash Upadhya Li Li Li Li Andrei V. Rode Andrei V. Rode Woei Ming Lee Woei Ming Lee Visualization 2: Dynamic axial control over optically levitating particles in air with an electrically-tunable variable-focus lens Optica Publishing Group 2016 Visualization levitating particles 01 July 2016 Biomedical Optics Express Dynamic boe electrically-tunable variable-focus lens Rect wave 2016-07-01 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Visualization_2_Dynamic_axial_control_over_optically_levitating_particles_in_air_with_an_electrically-tunable_variable-focus_lens/4915634 Rect wave Originally published in Biomedical Optics Express on 01 July 2016 (boe-7-7-2902)