Liquid lens enabling real-time focus and tilt compensation for optical image stabilization in camera modules

Eric Simon; Pierre Craen; Hilario Gaton; Olivier Jacques-Sermet; Frédéric Laune; Julien Legrand; Mathieu Maillard; Nicolas Tallaron; Nicolas Verplanck; Bruno Berge

doi:10.1117/12.859080

12 May 2010 Liquid lens enabling real-time focus and tilt compensation for optical image stabilization in camera modules

Eric Simon, Pierre Craen, Hilario Gaton, Olivier Jacques-Sermet, Frédéric Laune, Julien Legrand, Mathieu Maillard, Nicolas Tallaron, Nicolas Verplanck, Bruno Berge

Author Affiliations +

Proceedings Volume 7716, Micro-Optics 2010; 77160I (2010) https://doi.org/10.1117/12.859080
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

A new generation of liquid lenses based on electrowetting has been developed, using a multi-electrode design, enabling to induce optical tilt and focus corrections in the same component. The basic principle is to rely on a conical shape for supporting the liquid interface, the conical shape insuring a restoring force for the liquid liquid interface to come at the center position. The multi-electrode design enables to induce an average tilt of the liquid liquid interface when a bias voltage is applied to the different electrodes. This tilt is reversible, vanishing when voltage bias is cancelled. Possible application of this new lens component is the realization of miniature camera featuring auto-focus and optical image stabilization (OIS) without any mobile mechanical part. Experimental measurements of actual performances of liquid lens component will be presented : focus and tilt amplitude, residual optical wave front error and response time.

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Eric Simon, Pierre Craen, Hilario Gaton, Olivier Jacques-Sermet, Frédéric Laune, Julien Legrand, Mathieu Maillard, Nicolas Tallaron, Nicolas Verplanck, and Bruno Berge "Liquid lens enabling real-time focus and tilt compensation for optical image stabilization in camera modules", Proc. SPIE 7716, Micro-Optics 2010, 77160I (12 May 2010); https://doi.org/10.1117/12.859080

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