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Optical switch based on tunable aperture |
Optics Letters, Vol. 37, Issue 16, pp. 3306-3308 (2012)
http://dx.doi.org/10.1364/OL.37.003306
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Abstract
We propose an optical switch based on the electrowetting effect. A transparent oil and a dye-doped water fill a cell. The two liquids are immiscible and form a curved interface. A transparent pillar-shaped platform with a round dome is fixed on the substrate. The dome of the platform is submerged in the water. As a result, light is highly absorbed by the covered water. When the shape of the water is changed, the oil can touch the dome of the platform due to the electrowetting effect. Then the transparent platform and the oil form a channel which can pass through the incident light. Our results show that the system can obtain a high optical attenuation (
© 2012 Optical Society of America
OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(130.4815) Integrated optics : Optical switching devices
(220.1080) Optical design and fabrication : Active or adaptive optics
ToC Category:
Integrated Optics
History
Original Manuscript: May 17, 2012
Revised Manuscript: June 13, 2012
Manuscript Accepted: June 13, 2012
Published: August 3, 2012
Citation
Lei Li, Chao Liu, and Qiong-Hua Wang, "Optical switch based on tunable aperture," Opt. Lett. 37, 3306-3308 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3306
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