Multi-frequency passive and active microrheology with optical tweezers R. Kumar, V. Vitali, T. Wiedemann, R. Meissner, P. Minzioni & C. Denz Sci. Rep. 11, 13917 (2021); DOI: 10.1038/s41598-021-93130-x
Optical grinder: sorting of trapped particles by orbital angular momentum Valeriia Bobkova, Jan Stegemann, Ramon Droop, Eileen Otte, and Cornelia Denz Opt. Express 29, 12967 (2021); DOI: 10.1364/OE.419876PDF
