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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 22 — Nov. 15, 2010
  • pp: 3826–3828

Optical switch using a deformable liquid droplet

Hongwen Ren and Shin-Tson Wu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 22, pp. 3826-3828 (2010)
http://dx.doi.org/10.1364/OL.35.003826


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Abstract

An optical switch based on a deformable liquid droplet is demonstrated. The device consists of a clear liquid droplet surrounded by a black liquid. In the voltage-off state, the incident light is absorbed by the black liquid. As the voltage increases, the dielectric force reshapes the droplet by uplifting its dome. As the dome touches the top substrate, a clear channel is opened, allowing the incident light to pass through. Once the voltage is removed, the deformed droplet relaxes back to its original shape and the channel is closed. Devices based on such an operation mechanism have potential applications in light shutters, variable optical attenuators, adaptive irises, and displays.

© 2010 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(160.3710) Materials : Liquid crystals
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Optoelectronics

History
Original Manuscript: August 9, 2010
Revised Manuscript: September 29, 2010
Manuscript Accepted: October 22, 2010
Published: November 11, 2010

Citation
Hongwen Ren and Shin-Tson Wu, "Optical switch using a deformable liquid droplet," Opt. Lett. 35, 3826-3828 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-22-3826


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