Abstract: This work reports the use of optoelectronic tweezers (OET) and freeze-drying to assemble a variety of micro-/nano- materials into topographical micro-patterns, which can be transferred on to ...
Abstract: Optical vortex is a type of structured beam with helical phase wavefronts that carry orbital-angular momentum (OAM) with different topological charge numbers. Optical vortex beams are of use ...
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