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    • A critical microscopic engine in an optical tweezers 

      Schmidt, F.; Magazzù, Agnese; Callegari, A.; Biancofiore, Luca; Cichos, F.; Volpe, G. (OSA, 2018)
      An 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 ...