Light-driven liquid microlenses

A. Angelini; F. Pirani; F. Frascella; S. Ricciardi; E. Descrovi

doi:10.1117/12.2250988

16 February 2017 Light-driven liquid microlenses

A. Angelini, F. Pirani, F. Frascella, S. Ricciardi, E. Descrovi

Proceedings Volume 10106, Integrated Optics: Devices, Materials, and Technologies XXI; 1010612 (2017) https://doi.org/10.1117/12.2250988
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

We propose a liquid polymeric compound based on photo-responsive azo-polymers to be used as light-activated optical element with tunable and reversible functionalities. The interaction of a laser beam locally modifies the liquid density thus producing a refractive index gradient. The laser induced refractive index profiles are observed along the optical axis of the microscope to evaluate the total phase shift induced and along the orthogonal direction to provide the axial distribution of the refractive index variation. The focusing and imaging properties of the liquid lenses as functions of the light intensity are illustrated.

Citation Download Citation

A. Angelini, F. Pirani, F. Frascella, S. Ricciardi, and E. Descrovi "Light-driven liquid microlenses", Proc. SPIE 10106, Integrated Optics: Devices, Materials, and Technologies XXI, 1010612 (16 February 2017); https://doi.org/10.1117/12.2250988

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