Liu, Fengrui Zhang, Zhigang Wei, Yufeng Zhang, Qingchuan Cheng, Teng Wu, Xiaoping Media 1: Photophoretic trapping of multiple particles in tapered-ring optical field Originally published in Optics Express on 22 September 2014 (oe-22-19-23716) media;oe;Optics Express;Photophoretic;22 September 2014;tapered-ring 2014-09-22
    https://opticapublishing.figshare.com/articles/media/Media_1_Photophoretic_trapping_of_multiple_particles_in_tapered-ring_optical_field/4947302
10.1364/OE.22.023716.m001