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2018 Volume 35 Issue 10
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Yue-Lan Lu, Fei-Ru Wang, Chi Zhang, Ji-Wen Yin, Yu Huang, Wei-Min Sun, Yong-Jun Liu. 2018: Magneto and Electro-Optic Intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber, Chinese Physics Letters, 35(10): 36-39. doi: 10.1088/0256-307X/35/10/104203
Citation: Yue-Lan Lu, Fei-Ru Wang, Chi Zhang, Ji-Wen Yin, Yu Huang, Wei-Min Sun, Yong-Jun Liu. 2018: Magneto and Electro-Optic Intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber, Chinese Physics Letters, 35(10): 36-39. doi: 10.1088/0256-307X/35/10/104203
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Magneto and Electro-Optic Intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber

  • Key Lab of In-fiber Integrated Optics(Ministry Education), Harbin Engineering University, Harbin 150001

  • Key Lab of In-fiber Integrated Optics(Ministry Education), Harbin Engineering University, Harbin 150001;Physics and Electronic Information Engineering, Chifeng University, Chifeng 024000

  • Physics and Electronic Information Engineering, Chifeng University, Chifeng 024000

  • Available Online: 01/01/2018
  • Fund Project: the Joint Research Fund in Astronomy under Cooperative Agreement between the National Natural Science Foundation of China and Chinese Academy of Sciences under Grant No U1531102,the Fundamental Research Funds for the Central Universities under Grant No HEUCF181116,and the National Natural Science Foundation of China under Grant Nos 61107059,61077047 and 11264001
  • 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/μm 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.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Magneto and Electro-Optic Intensity Modulator Based on Liquid Crystal and Magnetic Fluid Filled Photonic Crystal Fiber

  • Available Online: 01/01/2018

Abstract: 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/μm 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.

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