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An electric field sensor based on reflected light intensity modulation from electro-optical media

机译:基于来自电光介质的反射光强度调制的电场传感器

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摘要

An optical sensor of an alternating electric field is described. The sensing element is a crystal quartz plate which reflects incident light by its front surface. Reflected light intensity is modulated by the tested electric field by means of changing the refractive index of the plate. Modulation of the reflection coefficient of the quartz by the tested electric field occurs due to the electro-optic effect. It is noted that the main advantage of the sensor working on the modulation of the reflected light is the ability to use opaque electro-optical media and thin films. An optical sensor of an alternating electric field is described. The sensing element is a crystal quartz plate which reflects incident light by its front surface. Reflected light intensity is modulated by the tested electric field by means of changing the refractive index of the plate. Modulation of the reflection coefficient of the quartz by the tested electric field occurs due to the electro-optic effect. It is noted that the main advantage of the sensor working on the modulation of the reflected light is the ability to use opaque electro-optical media and thin films.
机译:描述了交变电场的光学传感器。传感元件是一块石英晶体板,可通过其前表面反射入射光。通过改变板的折射率,通过测试的电场来调制反射光强度。由于电光效应,通过测试的电场对石英的反射系数进行调制。应当指出,传感器对反射光进行调制的主要优点是能够使用不透明的电光介质和薄膜。描述了交变电场的光学传感器。传感元件是一块石英晶体板,可通过其前表面反射入射光。通过改变板的折射率,通过测试的电场来调制反射光强度。由于电光效应,通过测试的电场对石英的反射系数进行调制。应当指出,传感器对反射光进行调制的主要优点是能够使用不透明的电光介质和薄膜。

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  • 来源
    《Optical memory & neural networks》 |2017年第2期|145-149|共5页
  • 作者单位

    Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation;

    Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation;

    Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation;

    Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation Peter the Great St. Petersburg Polytechnic University, Institute of Physics, Nanotechnology and Telecommunications, St. Petersburg, Russian Federation;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    electro-optic sensor; modulation of light reflection; nontransparent EO media; electro-optic sensor; modulation of light reflection; nontransparent EO media;

    机译:电光传感器调制光反射;非透明EO介质;电光传感器调制光反射;非透明EO介质;

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