Remote optical sensing by a spinning microparticle

Elisa Ortiz-Rivero; Patricia Haro González; Daniel Jaque

doi:10.1117/12.2633954

3 October 2022 Remote optical sensing by a spinning microparticle

Elisa Ortiz-Rivero, Patricia Haro González, Daniel Jaque

Proceedings Volume PC12198, Optical Trapping and Optical Micromanipulation XIX; PC1219807 (2022) https://doi.org/10.1117/12.2633954
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Precise and non-invasive control over single particles is key for a range of physical and bio-medical applications, such as microfluidics and biophysics. The analysis of the rotation dynamics of an optically trapped dielectric microparticle is presented as a novel tool to characterize the properties of a liquid medium at the microscale (temperature, viscosity and bio-objects). In this work, single dielectric β-NaYF4:Ln3+ microparticles are used as optical sensors and the analysis of its damped rotational dynamics allowed not only the controlled and remote manipulation of the sensor, but also an improved characterization of the medium and fast recording of its content.

Conference Presentation

Citation Download Citation

Elisa Ortiz-Rivero, Patricia Haro González, and Daniel Jaque "Remote optical sensing by a spinning microparticle", Proc. SPIE PC12198, Optical Trapping and Optical Micromanipulation XIX, PC1219807 (3 October 2022); https://doi.org/10.1117/12.2633954

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