Increasing optical trapping forces by means of photonic nanojets

Dasheng Lu; Marco Pedroni; Lucia Labrador-Paez; Manuel I. Marqués; Daniel Jaque; Patricia Haro-González

doi:10.1117/12.2569119

19 August 2020 Increasing optical trapping forces by means of photonic nanojets

Dasheng Lu, Marco Pedroni, Lucia Labrador-Paez, Manuel I. Marqués, Daniel Jaque, Patricia Haro-González

Proceedings Volume 11463, Optical Trapping and Optical Micromanipulation XVII; 114632A (2020) https://doi.org/10.1117/12.2569119
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Conference Poster

Abstract

An optical system based on a photonic nanojet created by an optically trapped microsphere is proposed for enhanced trapping and remote manipulation of upconverting nanoparticles. The nanojet-induced enhancement in the optical forces acting on a 8 nm single upconverting nanoparticle are compared to those achievable by the traditional approach based on the use of high numerical aperture optics. The results presented in this work prove that this is a simple and effective method to remotely trap, manipulate, and detect single upconverting nanoparticles. This is an innovative approach to overcome the current challenges in the remote manipulation of probes in biosensing or in single particle studies.

Citation Download Citation

Dasheng Lu, Marco Pedroni, Lucia Labrador-Paez, Manuel I. Marqués, Daniel Jaque, and Patricia Haro-González "Increasing optical trapping forces by means of photonic nanojets", Proc. SPIE 11463, Optical Trapping and Optical Micromanipulation XVII, 114632A (19 August 2020); https://doi.org/10.1117/12.2569119

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