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Magneto and Electro-Optic Intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber
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作者 Yue-Lan Lu Fei-Ru Wang +4 位作者 Chi Zhang ai-Wen Yin Yu Huang Wei-min Sun Yong-Jun Liu 《Chinese Physics Letters》 SCIE CAS CSCD 2018年第10期36-39,共4页
We propose a novel light intensity modulator based on magnetic fluid and liquid crystal(LC) filled photonic crystal fibers(PCFs). The influences of electric and magnetic fields on the transmission intensity are th... We propose a novel light intensity modulator based on magnetic fluid and liquid crystal(LC) filled photonic crystal fibers(PCFs). The influences of electric and magnetic fields on the transmission intensity are theoretically and experimentally analyzed and investigated. Both the electric and magnetic fields can manipulate the molecular arrangement of LC to array a certain angle without changing the refractive index of the LC. Therefore, light loss in the PCF varies with the electric and magnetic fields whereas the peak wavelengths remain constant. The experimental results show that the transmission intensity decreases with the increase of the electric and magnetic fields. The cut-off electric field is 0.899 V/um at 20 Hz and the cut-off magnetic field is 195 m T. This simple and compacted optical modulator will have a great prospect in sensing applications. 展开更多
关键词 PCF LC Magneto and Electro-Optic intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber
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