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We report a measurement of effective refractive index of a nematic liquid crystal Fabry-Perot etalon according to the applied static electric field intensity. The effective refractive index decreases from 1.67 to 1.51 as the applied electric field intensity is increased.
We report a dynamic fiber-optic electric field sensor using a nematic liquid crystal (LNC) Fabry-Perot etalon and a wavelength-swept laser (WSL). The WSL has a linear relationship between the wavelength measurement and the time measurement. When a modulated electric field of the proper amplitude and frequency is applied to the NLC, the transmission wavelength peaks for the ordinary mode are maintained,...
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