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Optical Engineering

Hysteresis of liquid-based optical switch
Author(s): Xiahui Wang; Kun Huang; Hongwen Ren
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Paper Abstract

A liquid device using two immiscible dielectric liquids is prepared. One liquid is black and forms a droplet on a glass substrate. The other liquid is used to fill the surrounding of the droplet. When a fringing field is applied to the device, the droplet is stretched by a dielectric force. The droplet can switch a probing beam. Our results show that the optical switch exhibits a hysteresis. The width of the hysteresis is dependent on the amplitude of the voltage, the frequency, and the viscosity of the surrounded liquid. By controlling the hysteresis, our device has potential applications in light shutters, optical attenuators, and displays.

Paper Details

Date Published: 10 May 2017
PDF: 6 pages
Opt. Eng. 56(5) 057103 doi: 10.1117/1.OE.56.5.057103
Published in: Optical Engineering Volume 56, Issue 5
Show Author Affiliations
Xiahui Wang, Chonbuk National Univ. (Republic of Korea)
Kun Huang, Fenghua Research Institute Co., Ltd. (China)
Hongwen Ren, Chonbuk National Univ. (Republic of Korea)

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