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Opt Express. 2011 Aug 29;19(18):17350-6. doi: 10.1364/OE.19.017350.

Robust trapping and manipulation of airborne particles with a bottle beam.

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  • 1Laser Physics Center, Research School of Physics and Engineering, The Australian National University, Canberra, ACT 0200, Australia.


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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