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


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详细

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.

作者简介

A. Kniazkov

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

编辑信件的主要联系方式.
Email: kniazkov@rphf.spbstu.ru
俄罗斯联邦, St. Petersburg

S. Davydov

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

Email: kniazkov@rphf.spbstu.ru
俄罗斯联邦, St. Petersburg

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