Size-selective transport by varying optical intensity and speed.

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Presentation transcript:

Size-selective transport by varying optical intensity and speed. Size-selective transport by varying optical intensity and speed. (A) Two ways to transport beads selected by size. By reducing the power, the smaller bead can be released, whereas increasing the frequency would release the larger bead. (B) Selectively transporting a 2-μm silica bead (1 μm released) using an optical intensity of 12 kW/cm2. (C) Selectively transporting a 500-nm PS bead and releasing a 1-μm bead by maneuvering the MNT at 1 Hz. Souvik Ghosh, and Ambarish Ghosh Sci. Robotics 2018;3:eaaq0076 Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works