10 May 2017 Hysteresis of liquid-based optical switch
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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.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Xiahui Wang, Kun Huang, Hongwen Ren, "Hysteresis of liquid-based optical switch," Optical Engineering 56(5), 057103 (10 May 2017). https://doi.org/10.1117/1.OE.56.5.057103 . Submission: Received: 27 March 2017; Accepted: 25 April 2017
Received: 27 March 2017; Accepted: 25 April 2017; Published: 10 May 2017
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