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题名:
Adaptive liquid iris for optical switch
作者: Li, Lei1,2; Wang, Qiong-Hua1; Liu, Chao1; Wang, Ming-Huan1
刊名: OPTICAL ENGINEERING
出版日期: 2014-04-01
卷号: 53, 期号:4
关键词: optical switch ; iris ; liquid
文章类型: Article
英文摘要: An adaptive liquid iris for an optical switch based on electrowetting is demonstrated. The device consists of a clear conductive liquid and an opaque insulate oil. In the voltage-off state, the dome of the clear liquid touches the top substrate, and an iris-like opening is formed in its central area, and the aperture of the opening is at its largest. When a voltage is applied to the device, the shape of the conductive liquid is deformed due to the electrowetting effect. As a result, the diameter of the opening is reduced. Our results show that the aperture of the device can be tuned from similar to 6.4 mm to 0 as the applied voltage is changed from 0 to similar to 60 V. The device can obtain a high optical attenuation (similar to 872:1). The response time was measured to be similar to 117 ms (shrinking time is similar to 25 ms, and relaxing time is similar to 92 ms) with turnaround speed of 55 mm/s. Our device has potential applications in light shutters, variable optical attenuators, adaptive irises, and displays. (C) 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: VARIABLE APERTURE ; TUNABLE APERTURE ; LENS ; DROPLET
收录类别: SCI
语种: 英语
WOS记录号: WOS:000336659700042
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2493
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, Chengdu 610209, Peoples R China

Recommended Citation:
Li, Lei,Wang, Qiong-Hua,Liu, Chao,et al. Adaptive liquid iris for optical switch[J]. OPTICAL ENGINEERING,2014,53(4).
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