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8 September 2011 Research on the relation between the contact angle and the interface curvature radius of electrowetting liquid zoom lens
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Abstract
In the ultralight or ultrathin applied domain of zoom lens, the traditional glass / plastic lens is limited for manufacture technology or cost. Therefore, a liquid lens was put forward to solve the problems. The liquid zoom lens has the merits of lower cost, smaller volume, quicker response, lower energy consumption, continuous zoom and higher accuracy. In liquid zoom lens the precise focal length is obtained by the contact angle changing to affect the curvature radius of interface. In our works, the relations of the exerted voltage, the contact angle, the curvature radius and the focal length were researched and accurately calculated. The calculation of the focal length provides an important theoretical basis for instructing the design of liquid zoom lens.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cunhua Zhao, Huiqin Liang, Dongqing Cui, Xinhua Hong, Daling Wei, and Changliu Gao "Research on the relation between the contact angle and the interface curvature radius of electrowetting liquid zoom lens", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81911U (8 September 2011); https://doi.org/10.1117/12.900841
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