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11 September 2018 Integrated nanoaperture optical fiber tweezer
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Abstract
We demonstrate planar nano-fabrication and integration of a plasmonic nano-hole on the tip of a single-mode optical fiber using a template-stripping approach. Our proposed nanoaperture fiber tweezer (NAFT) combines the fiber light guiding properties with the field localization of the nanoaperture in a gold film. Furthermore, a key advantage of the NAFT is its potential to replace the cumbersome optics used in conventional optical trapping setups, e.g. microscopes and free space optics. Upconverting nanoparticles (UCNPs) of size 30 nm were trapped in order to show the optical trapping ability of the NAFT, and the results were very promising. This modular trapping technique can be very beneficial in applications such as optical sensors, single photon sources and in studies concern with luminescence from nanoemitters.
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Jamal M. Ehtaiba and Reuven Gordon "Integrated nanoaperture optical fiber tweezer", Proc. SPIE 10723, Optical Trapping and Optical Micromanipulation XV, 1072330 (11 September 2018); https://doi.org/10.1117/12.2318907
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