Optical Archimedes Screw along arbitrary trajectories

Keren Zhalenchuck; Barak Hadad; Alon Bahabad

doi:10.1117/12.2647713

17 March 2023 Optical Archimedes Screw along arbitrary trajectories

Keren Zhalenchuck, Barak Hadad, Alon Bahabad

Proceedings Volume PC12436, Complex Light and Optical Forces XVII; PC1243609 (2023) https://doi.org/10.1117/12.2647713
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Optical conveyors of airborne particles were previously demonstrated using different techniques allowing particles to be conveyed along straight trajectories either down or upstream the laser radiation direction. Here, the operation of an optical conveyor which has the geometry of an Archimedes screw whose central axis is a predefined arbitrary trajectory in 3D space allowing to convey particles along any desired paraxial trajectory, is demonstrated. The beams' trajectory in space can be chosen arbitrarily as long as it is paraxial. With this beam, we convey airborne particles along centimeter-scale arbitrary trajectories in adjustable velocities and directions.

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Citation Download Citation

Keren Zhalenchuck, Barak Hadad, and Alon Bahabad "Optical Archimedes Screw along arbitrary trajectories", Proc. SPIE PC12436, Complex Light and Optical Forces XVII, PC1243609 (17 March 2023); https://doi.org/10.1117/12.2647713

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