Optical forces on patterned particles

Michael O'Donnell; Simon Hanna

doi:10.1117/12.2511857

6 March 2019 Optical forces on patterned particles

Michael O'Donnell, Simon Hanna

Proceedings Volume 10935, Complex Light and Optical Forces XIII; 109351D (2019) https://doi.org/10.1117/12.2511857
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

The non-conservative nature of optical forces has been explored previously, with the initial focus on spherical particles, and latterly on particles with less than spherical symmetry. Non-conservative optical forces occur in many different guises, and include lateral forces arising from shape asymmetry, polarisation dependant optical torques and spin-dependant lateral forces. Photo-induced curing of liquid crystalline polymers is a technique that may be used to generate refractive-index patterning of surfaces. Here, we use computational methods to examine the influence of such surface structuring on optically-generated forces and torques, with a view to optimising such materials for applications as light-driven sensors and actuators.

Conference Presentation

Citation Download Citation

Michael O'Donnell and Simon Hanna "Optical forces on patterned particles", Proc. SPIE 10935, Complex Light and Optical Forces XIII, 109351D (6 March 2019); https://doi.org/10.1117/12.2511857

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