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Light-driven liquid microlenses
Author(s): A. Angelini; F. Pirani; F. Frascella; S. Ricciardi; E. Descrovi
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Paper 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.

Paper Details

Date Published: 16 February 2017
PDF: 6 pages
Proc. SPIE 10106, Integrated Optics: Devices, Materials, and Technologies XXI, 1010612 (16 February 2017); doi: 10.1117/12.2250988
Show Author Affiliations
A. Angelini, Polytechnic of Turin (Italy)
F. Pirani, Polytechnic of Turin (Italy)
Istituto Italiano di Tecnologia (Italy)
F. Frascella, Polytechnic of Turin (Italy)
S. Ricciardi, Polytechnic of Turin (Italy)
E. Descrovi, Polytechnic of Turin (Italy)


Published in SPIE Proceedings Vol. 10106:
Integrated Optics: Devices, Materials, and Technologies XXI
Sonia M. García-Blanco; Gualtiero Nunzi Conti, Editor(s)

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