Light controlled phase shifter for optofluidics

Lucchetti L.; Kushnir K.; Zaltron A.; Simoni F.

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Light controlled phase shifter for optofluidics

机译：光控移相器，用于光流体

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We report the light-induced control of optical phase shift by a liquid crystal cell made with LiNbO3:Fe crystals as substrates. We show that a phase shift of a few pi s can be easily reached for two orthogonal polarizations due to liquid crystal reorientation driven by the photovoltaic electric field originated in the substrates. This effect is exploited to get all-optical switching with a contrast of about 80%, by 2 s pump pulse. (C) 2016 Optical Society of America

机译：我们报告了由以LiNbO3：Fe晶体为基底的液晶单元对光相移的光诱导控制。我们显示出由于两个正交极化，可以很容易地达到几个πs的相移，这是由于由基板中产生的光伏电场驱动的液晶重新定向。利用这种效应，可以通过2 s的泵浦脉冲进行全光切换，对比度约为80％。（C）2016美国眼镜学会

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《Optics Letters》 |2016年第2期|共3页
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Lucchetti L.; Kushnir K.; Zaltron A.; Simoni F.;
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Light controlled phase shifter for optofluidics

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