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5 March 2021 Single-fiber optical tweezers with a novel 3D-printed hybrid photonic structure
Ivak Reddy, Andrea Bertoncini, Carlo Liberale
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Proceedings Volume 11701, Complex Light and Optical Forces XV; 1170119 (2021) https://doi.org/10.1117/12.2578086
Event: SPIE OPTO, 2021, Online Only
Abstract
Optical tweezers based on single optical fibers are typically fabricated with methods that grant only limited design flexibility in the trapping geometry. Here, we present a novel hybrid micro-optical structure 3D printed in a single step on a standard single-mode optical fiber, to create an ultra-compact fiber tweezer. The structure is made of stacked refractive, reflective, and waveguiding optical elements. Our approach allows an easy and independent tuning of trapping parameters as the numerical aperture and the working distance of the optical trap. We experimentally illustrate the 3D trapping capabilities of the proposed fiber optical tweezers.
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Ivak Reddy, Andrea Bertoncini, and Carlo Liberale "Single-fiber optical tweezers with a novel 3D-printed hybrid photonic structure", Proc. SPIE 11701, Complex Light and Optical Forces XV, 1170119 (5 March 2021); https://doi.org/10.1117/12.2578086
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KEYWORDS
Optical tweezers
Optical components
Optical fibers
Single mode fibers
Lithography
Microscopes
Objectives
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