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Adaptive liquid iris for optical switch
Li, Lei1,2; Wang, Qiong-Hua1; Liu, Chao1; Wang, Ming-Huan1; Wang, Q.-H. (qhwang@scu.edu.cn)
Source PublicationOptical Engineering
Volume53Issue:4Pages:047105
2014
Language英语
ISSN00913286
DOI10.1117/1.OE.53.4.047105
Indexed BySCI ; Ei
WOS IDWOS:000336659700042
Subtype期刊论文
AbstractAn 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 ~6.4 mm to 0 as the applied voltage is changed from 0 to ~60 V. The device can obtain a high optical attenuation (~872:1). The response time was measured to be ~117 ms (shrinking time is ~25 ms, and relaxing time is ~92 ms) with turnaround speed of 55 mm/s. Our device has potential applications in light shutters, variable optical attenuators, adaptive irises, and displays. © 2014 Society of Photo-Optical Instrumentation Engineers.; 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 ~6.4 mm to 0 as the applied voltage is changed from 0 to ~60 V. The device can obtain a high optical attenuation (~872:1). The response time was measured to be ~117 ms (shrinking time is ~25 ms, and relaxing time is ~92 ms) with turnaround speed of 55 mm/s. Our device has potential applications in light shutters, variable optical attenuators, adaptive irises, and displays. © 2014 Society of Photo-Optical Instrumentation Engineers.
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6863
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorWang, Q.-H. (qhwang@scu.edu.cn)
Affiliation1. Sichuan University, School of Electronics and Information Engineering, Chengdu 610065, China
2. Chinese Academy of Sciences, Institute of Optics and Electronics, State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, P. O. Box 350, Chengdu 610209, China
Recommended Citation
GB/T 7714
Li, Lei,Wang, Qiong-Hua,Liu, Chao,et al. Adaptive liquid iris for optical switch[J]. Optical Engineering,2014,53(4):047105.
APA Li, Lei,Wang, Qiong-Hua,Liu, Chao,Wang, Ming-Huan,&Wang, Q.-H. .(2014).Adaptive liquid iris for optical switch.Optical Engineering,53(4),047105.
MLA Li, Lei,et al."Adaptive liquid iris for optical switch".Optical Engineering 53.4(2014):047105.
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