Simplified model of an O-ring-driven liquid-filled lens for calculating focal length

Chih-Wei Lin; Dein Shaw

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Simplified model of an O-ring-driven liquid-filled lens for calculating focal length

机译：Simplified model of an O-ring-driven liquid-filled lens for calculating focal length

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摘要

The purpose of this study was to develop a mathematical model that could be used to obtain the approximate focal length of O-ring-driven liquid-filled lenses. An O-ring-driven liquid-filled lens is composed of a base plate, a glass-covered liquid reservoir, a pliable membrane, an O-ring, a spring, and three actuators. The movement of the ring changes the focal length or the focus position. In previous studies, the commercial software ANSYS was used to find the membrane deformation and ZEMAX was used to find the focal length. The procedures used in those previous studies are complicated and generally require considerable design work. The proposed mathematical method employs the principle of liquid volume conservation to simplify the calculations that approximate the focal length of the lens. The result is confirmed on ZEMAX to ensure that the method is practicable. Consequently, focal lengths of lenses with different ring thicknesses, radii, and squeezing depths to contact the membrane can be calculated immediately.

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来源
《Optical Engineering》 |2009年第7期|073001-1-073001-6|共6页
作者
Chih-Wei Lin; Dein Shaw;
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作者单位

National Tsing-Hua University, Department of Power Mechanical Engineering, 101 Kung Fu Road Section 2, Hsin-Chu, Taiwan 30013, Taiwan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
O-ring-driven liquid-filled lens; mathematical model; liquid-filled lens;

Simplified model of an O-ring-driven liquid-filled lens for calculating focal length

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