Polarization in D-shaped fiber modulated by magneto-optical dichroism of magnetic fluid

Rende Ma; Luxue Wan; Xiuhao Liu; Xiaoping Li; Junfeng Jiang; Yunjie Xia

doi:doi:10.3788/COL202018.010601

Chinese Optics Letters, 2020, 18 (1): 010601, Published Online: Dec. 9, 2019

Polarization in D-shaped fiber modulated by magneto-optical dichroism of magnetic fluid Download： 850次

Rende Ma ^1,*Luxue Wan ¹Xiuhao Liu ¹Xiaoping Li ²Junfeng Jiang ^3,4Yunjie Xia ^1,**

Author Affiliations

¹ Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics, School of Physics and Engineering, Qufu Normal University, Qufu 273165, China

² College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China

³ College of Precision Instrument & Opto-electronics Engineering, Tianjin University, Tianjin 300072, China

⁴ Key Laboratory of Opto-electronics Information and Technical Science, Ministry of Education, Tianjin University, Tianjin 300072, China

Figures & Tables

Fig. 1. Schematic diagram of light polarization modulation of the D-shaped fiber based on the magneto-optical dichroism of MF.

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Fig. 2. Images of the polished surface of D-shaped fibers (a) A and (b) B. The widths of the polished surfaces are $d_{A} = 124.2 μ m$ and $d_{B} = 123.5 μ m$ .

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Fig. 3. Optical images of MF films on the fabricated D-shaped fiber taken by a metalloscope (Leica DM4M). (a) shows the liquid MF film. (b) is solidified MF film in the absence of the magnetic field. MF films in (c) and (d) are solidified in magnetic fields. The arrows show employed magnetic field directions.

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Fig. 4. Schematic diagram of the experimental setup for light polarization modulation and detection.

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Fig. 5. $U_{1} (t)$ and $U_{2} (t)$ versus the sampling point of the DAQ card. (a) and (b) are for D-shaped fiber A. (c) and (d) are for D-shaped fiber B.

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Fig. 6. Light polarization modulation when the surface widths of the D-shaped fiber are (a) 124.2 μm and (b) 123.5 μm. The magnetic field is 42 mT. The MF is diluted with water according to the volume ratio of 1:5.

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Fig. 7. D-shaped fiber light polarization modulation when the magnetic field is 42 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

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Fig. 8. D-shaped fiber light polarization modulation when the magnetic field is 88 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

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Rende Ma, Luxue Wan, Xiuhao Liu, Xiaoping Li, Junfeng Jiang, Yunjie Xia. Polarization in D-shaped fiber modulated by magneto-optical dichroism of magnetic fluid[J]. Chinese Optics Letters, 2020, 18(1): 010601.

Polarization in D-shaped fiber modulated by magneto-optical dichroism of magnetic fluid Download： 850次

Fig. 1. Schematic diagram of light polarization modulation of the D-shaped fiber based on the magneto-optical dichroism of MF.

Fig. 2. Images of the polished surface of D-shaped fibers (a) A and (b) B. The widths of the polished surfaces are $d_{A} = 124.2 μ m$ and $d_{B} = 123.5 μ m$ .

Fig. 4. Schematic diagram of the experimental setup for light polarization modulation and detection.

Fig. 5. $U_{1} (t)$ and $U_{2} (t)$ versus the sampling point of the DAQ card. (a) and (b) are for D-shaped fiber A. (c) and (d) are for D-shaped fiber B.

Fig. 6. Light polarization modulation when the surface widths of the D-shaped fiber are (a) 124.2 μm and (b) 123.5 μm. The magnetic field is 42 mT. The MF is diluted with water according to the volume ratio of 1:5.

Fig. 7. D-shaped fiber light polarization modulation when the magnetic field is 42 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

Fig. 8. D-shaped fiber light polarization modulation when the magnetic field is 88 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

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Polarization in D-shaped fiber modulated by magneto-optical dichroism of magnetic fluid Download： 850次

Fig. 1. Schematic diagram of light polarization modulation of the D-shaped fiber based on the magneto-optical dichroism of MF.

Fig. 2. Images of the polished surface of D-shaped fibers (a) A and (b) B. The widths of the polished surfaces are dA=124.2 μm and dB=123.5 μm.

Fig. 4. Schematic diagram of the experimental setup for light polarization modulation and detection.

Fig. 5. U1(t) and U2(t) versus the sampling point of the DAQ card. (a) and (b) are for D-shaped fiber A. (c) and (d) are for D-shaped fiber B.

Fig. 6. Light polarization modulation when the surface widths of the D-shaped fiber are (a) 124.2 μm and (b) 123.5 μm. The magnetic field is 42 mT. The MF is diluted with water according to the volume ratio of 1:5.

Fig. 7. D-shaped fiber light polarization modulation when the magnetic field is 42 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

Fig. 8. D-shaped fiber light polarization modulation when the magnetic field is 88 mT, the polished surface width of the D-shaped fiber is 124.2 μm, and the MF is diluted with water according to the volume ratio of 1:2.

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Fig. 2. Images of the polished surface of D-shaped fibers (a) A and (b) B. The widths of the polished surfaces are $d_{A} = 124.2 μ m$ and $d_{B} = 123.5 μ m$ .

Fig. 5. $U_{1} (t)$ and $U_{2} (t)$ versus the sampling point of the DAQ card. (a) and (b) are for D-shaped fiber A. (c) and (d) are for D-shaped fiber B.