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: 831次

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
Abstract
The polarization of a D-shaped fiber is modulated after immersing it in magnetic fluid (MF) and applying a magnetic field. Theoretical analysis predicts that magneto-optical dichroism of MF plays a key role in light polarization modulation. During light polarization modulation, the evanescent wave polarized parallel to the magnetic field has greater loss than its orthogonal component. Light polarization of a D-shaped fiber with a wide polished surface can be modulated easily. High concentration MF and a large magnetic field all have great ability to modulate light polarization.

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.

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