Fig. 18: Optical sorting using optothermal tweezers.
a Selective trapping of particles by opto-thermoelectric speckle tweezers. Reproduced with permission396. Copyright 2020, De Gruyter under CC BY 4.0. b Opto-thermo-electrohydrodynamic tweezers for the separation of 20 nm and 100 nm polystyrene nanoparticles. Reproduced with permission58. Copyright 2020, Springer Nature. c Adjusting selective trapping by varying the surfactant concentration in the solution to sort 380 nm and 520 nm polystyrene nanoparticles. Reproduced with permission397. Copyright 2018, Optical Society of America
