Chinese Optics Letters, 2014, 12 (12): 121102, Published Online: Dec. 1, 2014  

Voltage-controlled optical filter based on electrowetting Download: 748次

Author Affiliations
1 School of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China
2 State Key Laboratory of Fundamental Science on Synthetic Vision, Sichuan University, Chengdu 610065, China
Abstract
In this letter, we propose a voltage-controlled optical filter based on electrowetting. The device is made of a transparent cubic cell filled with two immiscible liquids having three indium tin oxide electrodes fabricated on the bottom substrate of the cell. A conductive droplet carrying a color filter is placed on the ITO electrode and the surrounding liquid is density-matched silicone oil. Under zero bias, the droplet is placed in the middle of the substrate and white light passes through the filter and we can see red light on the screen. When a voltage is applied to the device, the filter moves with the liquid based on electrowetting effect, we can see the white light on the screen. Due to the movement of the liquid, our device functions as an optical switcher. The switch time of the device is ~70 ms. The proposed device has a wide application in optical communication, electronic display, and optical switch.

Di Wang, Chao Liu, Qionghua Wang, Xin Zhou. Voltage-controlled optical filter based on electrowetting[J]. Chinese Optics Letters, 2014, 12(12): 121102.

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!