Robust trapping and manipulation of airborne particles with a bottle beam.
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We demonstrate that micron-sized light-absorbing particles can be trapped and transported photophoretically in air using an optical bottle formed inside the focal volume of a lens with a controlled amount of spherical aberration. This optical fiber-based single beam trap can be used in numerous applications where true 3D manipulation and delivery of airborne micro-objects is required.
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Shvedov, Vladlen G||Hnatovsky, Cyril||Rode, Andrei V||Krolikowski, Wieslaw