Effect of oil liquid viscosity on hysteresis in double-liquid variable-focus lens based on electrowetting

Zhi Zeng; Runling Peng; Mei He

doi:10.1117/12.2266804

10 February 2017 Effect of oil liquid viscosity on hysteresis in double-liquid variable-focus lens based on electrowetting

Zhi Zeng, Runling Peng, Mei He

Author Affiliations +

Proceedings Volume 10250, International Conference on Optical and Photonics Engineering (icOPEN 2016); 1025012 (2017) https://doi.org/10.1117/12.2266804
Event: Fourth International Conference on Optical and Photonics Engineering, 2016, Chengdu, China

Abstract

The double-liquid variable-focus lens based on the electrowetting has the characteristics of small size, light weight, fast response, and low price and so on. In this paper, double-liquid variable-focus lens’s Principle and structure are introduced. The reasons for the existence and improvement of contact angle hysteresis are given according improved Young’s equation. At last, 1-Bromododecane with silicone oil are mixed to get oil liquid with different viscosity and proportion liquid as insulating liquid. External voltages are applied to these three liquid lens and focal lengths of the lenses versus applied voltage are investigated. Experiments show that, the decreasing of oil liquid viscosity can reduce focal length hysteresis.

Citation Download Citation

Zhi Zeng, Runling Peng, and Mei He "Effect of oil liquid viscosity on hysteresis in double-liquid variable-focus lens based on electrowetting", Proc. SPIE 10250, International Conference on Optical and Photonics Engineering (icOPEN 2016), 1025012 (10 February 2017); https://doi.org/10.1117/12.2266804

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