Multiparametric remote optical sensing by a spinning upconverting microparticle at the microscale

E. Ortiz-Rivero; D. Jaque; P. Haro-González

doi:10.1117/12.2673636

12 August 2023 Multiparametric remote optical sensing by a spinning upconverting microparticle at the microscale

E. Ortiz-Rivero, D. Jaque, P. Haro-González

Proceedings Volume PC12622, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials VI; PC126220D (2023) https://doi.org/10.1117/12.2673636
Event: SPIE Optical Metrology, 2023, Munich, Germany

Abstract

The precise and non-invasive control over single particles is key for an array of physical and bio-medical applications, such as microfluidics and biophysics. In particular, the three-dimensional manipulation of single rare-earth-doped luminescent particles is of great interest due to their biocompatibility and the sensitivity of their luminescent properties to environmental conditions, which stand out among other dielectric luminescent particles. The analysis of the damped rotation dynamics of an optically trapped microparticle is a novel and powerful tool that allows not only the controlled and remote manipulation of the sensor, but also an improved characterization of the medium and fast recording of its content. Here, an optically trapped and rotated rare-earth-doped β-NaYF 4 :RE 3+ microparticle is presented as a novel sensor to characterize the properties of a liquid medium at the microscale (temperature, viscosity and detection of bio-objects).

Conference Presentation

Citation Download Citation

E. Ortiz-Rivero, D. Jaque, and P. Haro-González "Multiparametric remote optical sensing by a spinning upconverting microparticle at the microscale", Proc. SPIE PC12622, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials VI, PC126220D (12 August 2023); https://doi.org/10.1117/12.2673636

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