Customized focal light landscapes by complex vectorial fields for advanced optical trapping

Eileen Otte; Kemal Tekce; Cornelia Denz

doi:10.1117/12.2289645

22 February 2018 Customized focal light landscapes by complex vectorial fields for advanced optical trapping

Eileen Otte, Kemal Tekce, Cornelia Denz

Proceedings Volume 10549, Complex Light and Optical Forces XII; 105490S (2018) https://doi.org/10.1117/12.2289645
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Light structured in phase and polarization has proven extraordinary benefit for optical tweezing. However, the customization of focal, non-paraxial light landscapes still poses a challenge. We tailor novel focal landscapes including its intensity as well as three-dimensional polarization structure by complex vector beams, even combined with phase vortices. By focusing vector fields, whose polarization is oriented in flower- or web-shape, we fabricate intensity structures resembling bright flowers or dark stars. These structures are formed by transverse E_x,y as well as longitudinal E_z electric field components. We tune the z-polarization components as well as threedimensional focal volume E (x, y, z) = [E_x, E_y, E_z]^T on demand, optimizing its structure for optical trapping applications. Beyond, we prove their benefit for advanced optical trapping schemes by tweezing and orienting zeolite-L nano-containers.

Citation Download Citation

Eileen Otte, Kemal Tekce, and Cornelia Denz "Customized focal light landscapes by complex vectorial fields for advanced optical trapping", Proc. SPIE 10549, Complex Light and Optical Forces XII, 105490S (22 February 2018); https://doi.org/10.1117/12.2289645

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