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(Color online) Optical sorting principle.
(Color online) Relationship between deflecting criterion and relative particle size under conditions of , , , , , , . The left curve (solid line with squares) (, ) shows that the particles larger than are deflected from the flow direction along the axis of the lattice while those smaller particles remain in the original direction. For the right curve (solid line) (, ) those larger than will be deflected.
(Color online) Schematic experimental configuration of the optical sorting system.
(Color online) The sequential images of motions of mixed particles were taken with intervals.
(Color online) Microfluidic separation of microspheres of two different sizes. Trajectories shown in red are particles with radius of , and in black are . There is an approximate 30° for most trajectories of , while no obvious change for trajectories of .
(Color online) Intensity distribution of light/dark spots along the diagonal direction in interconnected lattice (left) and snapshot of deflected microparticles (right).
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