Dielectrically actuated liquid lens
Dielectrically actuated liquid lens
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DOI：
10.1364/oe.15.007140
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发表时间：
2007-06-11
期刊：
影响因子：
3.8
通讯作者：
Yeh, J. Andrew
中科院分区：
文献类型：
--
作者：
Cheng, Chih-Cheng;Yeh, J. Andrew
介绍了一种由介电力驱动的封装液体透镜。液体透镜由低介电常数液滴和高介电常数密封液体组成。将两种非导电液体在等密度条件下密封在一个腔室中。在0- 200 V电压范围内，孔径为3 mm的液体透镜的焦距从34 mm变化到12 mm。在液体透镜中观察到滞后现象，在120伏时测得液滴接触角的最大值为12.5。焦斑尺寸测量为约80 μ m。上升和下降时间分别为650 ms和300 ms。当施加200伏、1 kHz信号时，透镜消耗1 mW功率。当焦距超过20 mm时，纵向和横向球差几乎不变。(c)2007年，美国光学学会。
A packaged liquid lens driven by the dielectric force was demonstrated. The liquid lens consisted of a low dielectric constant droplet and a high dielectric constant sealing liquid. The two non- conductive liquids were sealed in a chamber under the condition of iso-density. Focal length of a liquid lens with an aperture of 3mm changed from 34mm to 12mm in the range of 0-200V. Hysteresis was observed in the liquid lens, with a maximum value measured of 12.5 at 120 volts in terms of droplet's contact angle. The focal spot size measured approximately 80 mu m. Rise and fall times were 650ms and 300ms, respectively. The lens consumed 1mW of power when applying a 200 volt, 1 kHz signal. The longitudinal and transverse spherical aberrations were estimated to be nearly invariant when the focal length exceeded 20mm. (c) 2007 Optical Society of America.