Sheu, Fang-Wen Lan, Tzu-Kai Lin, Yu-Chung Chen, Shiung Ay, Chyung Media 4: Stable trapping and manually controlled rotation of an asymmetric or birefringent microparticle using dual-mode split-beam optical tweezers Originally published in Optics Express on 05 July 2010 (oe-18-14-14724) oe;tweezers;media;Optics Express;birefringent microparticle;05 July 2010;Stable;rotation;dual-mode split-beam 2010-07-05
    https://opticapublishing.figshare.com/articles/media/Media_4_Stable_trapping_and_manually_controlled_rotation_of_an_asymmetric_or_birefringent_microparticle_using_dual-mode_split-beam_optical_tweezers/4941137
10.1364/OE.18.014724.m004