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IOP Publishing, Journal of Physics: Photonics, 2023

DOI: 10.1088/2515-7647/acb57b

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Roadmap for optical tweezers

Journal article published in 2023 by Giovanni Volpe ORCID, Onofrio M. Maragò ORCID, Halina Rubinsztein-Dunlop ORCID, Giuseppe Pesce, Alexander B. Stilgoe ORCID, Giorgio Volpe ORCID, Georgiy Tkachenko, Viet Giang Truong ORCID, Síle Nic Chormaic ORCID, Fatemeh Kalantarifard, Parviz Elahi ORCID, Mikael Käll ORCID, Agnese Callegari ORCID, Manuel I. Marqués, Antonio A. R. Neves ORCID and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract Optical tweezers are tools made of light that enable contactless pushing, trapping, and manipulation of objects ranging from atoms to space light sails. Since the pioneering work by Arthur Ashkin in the 1970s, optical tweezers have evolved into sophisticated instruments and have been employed in a broad range of applications in life sciences, physics, and engineering. These include accurate force and torque measurement at the femtonewton level, microrheology of complex fluids, single micro- and nanoparticle spectroscopy, single-cell analysis, and statistical-physics experiments. This roadmap provides insights into current investigations involving optical forces and optical tweezers from their theoretical foundations to designs and setups. It also offers perspectives for applications to a wide range of research fields, from biophysics to space exploration.