Optical switch based on variable aperture

Hongwen Ren; Su Xu; Shin-Tson Wu

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Optical switch based on variable aperture

机译：基于可变光圈的光开关

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We report on a pixel whose aperture can be varied electrically. The pixel is confined by a hole-patterned polymer wall and a dielectric liquid forms a ring shape around the wall surface. Without an electric field, the pixel has the largest aperture. The applied fringing field stretches the liquid surface, leading to a decrease in the aperture size. The switchable aperture ratio of the pixel is over 80percent and the response time is approx10 ms. Such a device is useful for an optical attenuator, a light shutter, an adaptive iris, and an information display.

机译：我们报告一个孔径可以电变化的像素。像素由有孔图案的聚合物壁限制，介电液体在壁表面周围形成环形。在没有电场的情况下，像素具有最大的孔径。施加的边缘场拉伸了液体表面，导致孔径减小。像素的可切换开口率超过80％，响应时间约为10毫秒。这种设备对于光学衰减器，光闸，自适应虹膜和信息显示器很有用。

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《Optics Letters》 |2012年第9期|共3页
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Hongwen Ren; Su Xu; Shin-Tson Wu;
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1. A Novel Optical Switch and Display Based on Variable Aperture [J] . Hongwen Ren, Su Xu SID International Symposium: Digest of Technology Papers . 2012,第2期

机译：一种基于可变孔径的新型光开关和显示器
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3. Actively Q-switched, thulium-holmium-codoped fiber laser incorporating a silicon-based, variable-optical-attenuator-based Q switch [J] . Minwan Jung, Ju Han Lee Applied optics . 2013,第12期

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4. A Novel Optical Switch and Display Based on Variable Aperture [C] . Hongwen Ren, Su Xu SID International Symposium . 2012

机译：一种基于可变孔径的新型光学开关和显示器
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Optical switch based on variable aperture

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