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(Color online) Schematic of the optical-trap-on-a-chip (OTOC) system.
(Color online) (a) Design of the chessboardlike amplitude optical grating with a period of and a duty cycle of 50%. (b) Micrograph of the 2D phase grating fabricated with e-beam lithography.
(Color online) Micrograph of the laser pattern at different planes within one period: (a) maximum image contrast and (b) minimum image contrast.
(Color online) Large array of trapped polymer particles.
(Color online) Snapshots of microparticles sorting while passing through the created optical landscape. The interval between the snapshots is .
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