Optical Design and Engineering

Bioinspired solid–liquid mixed tunable lens with multilayered structure

[+] Author Affiliations
Dan Liang, Xuan-Yin Wang, Jia-Wei Du

Zhejiang University, The State Key Laboratory of Fluid Power Transmission and Control, 38 Zheda Road, Hangzhou 310027, China

Opt. Eng. 54(6), 065104 (Jun 26, 2015). doi:10.1117/1.OE.54.6.065104
History: Received March 3, 2015; Accepted June 2, 2015
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Abstract.  A solid–liquid mixed tunable lens with multilayered structure is proposed. The designed lens utilizes a solid-state elastic polymer, optical liquid, and glass as the optical medium, and adjusts the focus by changing the surface curvature of the elastic polymer. The integrated structure of the tunable lens is presented, as well as detailed descriptions of the lens materials, fabrication, and assembling process. Images captured through the tunable lens under different displacement loads are presented, and the relationship among the displacement load, curvature radius, and effective focal length is analyzed. Additionally, the optical property of the tunable lens is simulated using the ZEMAX software. A change in focal length from 14.8 mm to 30 mm is demonstrated within the tiny 0.12 mm variation of the displacement load. Numerical analyses show that the lens distortion is less than 2%, and the modulation transfer function reaches 67 line pairs per mm. The solid–liquid mixed tunable lens shows the potential for developing a compact, low-aberration, and stable optical system.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Topics

Lenses

Citation

Dan Liang ; Xuan-Yin Wang and Jia-Wei Du
"Bioinspired solid–liquid mixed tunable lens with multilayered structure", Opt. Eng. 54(6), 065104 (Jun 26, 2015). ; http://dx.doi.org/10.1117/1.OE.54.6.065104


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