Schmidt, F.Magazzù, AgneseCallegari, A.Biancofiore, LucaCichos, F.Volpe, G.2019-02-212019-02-2120189781557528209http://hdl.handle.net/11693/50380Conference name: Latin America Optics and Photonics Conference 2018Date of Conference: 12–15 November 2018An optically trapped absorbing microsphere in a sub-critical mixture rotates around the optical trap thanks to diffusiophoretic propulsion, which can be controlled by adjusting the optical power, the temperature, and the criticality of the mixture.EnglishA critical microscopic engine in an optical tweezersConference Paper10.1364/LAOP.2018.Tu3A.4