Transfer of transverse optical angular momentum to optically trapped birefringent particles

Alexander B. Stilgoe; Halina Rubinsztein-Dunlop; Timo A Nieminen

doi:10.1117/12.2596205

1 August 2021 Transfer of transverse optical angular momentum to optically trapped birefringent particles

Alexander B. Stilgoe, Halina Rubinsztein-Dunlop, Timo A Nieminen

Proceedings Volume 11798, Optical Trapping and Optical Micromanipulation XVIII; 117981C (2021) https://doi.org/10.1117/12.2596205
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

We report on the observation of transfer of transverse angular momentum to birefringent vaterite particles (positive uniaxial crystal) several wavelengths in size and trapped with optical tweezers in a transmission optical system and discuss prospects for quantitative measurement of angular momentum that this system poses. Such rotational control of spherical particles are excellent components of optically driven nano and micromachines that generate localised shear flows.

Conference Presentation

Citation Download Citation

Alexander B. Stilgoe, Halina Rubinsztein-Dunlop, and Timo A Nieminen "Transfer of transverse optical angular momentum to optically trapped birefringent particles", Proc. SPIE 11798, Optical Trapping and Optical Micromanipulation XVIII, 117981C (1 August 2021); https://doi.org/10.1117/12.2596205

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