Optical tweezers are extensively applied for numerous applications. However, optical tweezers are still subject to potential photo- and photothermal damages to fragile objects and are mostly used in fluidic environments. In this talk, I will present our recent research on developing novel optical techniques for the noninvasive trapping of objects and manipulating colloidal particles on solid substrates. These features will bring new possibilities in many fields, including biology, microelectronics, and nanophotonics.
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