| CHEN Huang-chao,WEN Jian-xiang,HUANG Yi,DONG Wei-long,PANG Fu-fei,LUO Yan-hua,PENG Gang-ding,CHEN Zhen-yi,WANG Ting-yun.Influence of linear birefringence on Faraday effect measurement for optical fibers[J].Optoelectronics Letters,2017,13(2):147-150 |
| Influence of linear birefringence on Faraday effect measurement for optical fibers |
| Author Name | Affiliation | | CHEN Huang-chao | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | WEN Jian-xiang | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | HUANG Yi | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | DONG Wei-long | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | PANG Fu-fei | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | LUO Yan-hua | Photonics & Optical Communications, School of Electrical Engineering & Telecommunications, University of New South Wales, Sydney 2052, Australia | | PENG Gang-ding | Photonics & Optical Communications, School of Electrical Engineering & Telecommunications, University of New South Wales, Sydney 2052, Australia | | CHEN Zhen-yi | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China | | WANG Ting-yun | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China |
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| Abstract: |
| The influence of the linear birefringence on magneto-optical property measurement for optical fibers is investigated theoretically and experimentally. The evolution of polarization in fibers is simulated by the Jones matrix. To verify this theoretical model, a magneto-optical system is built to measure the input azimuth, output azimuth and ellipticity. The Faraday rotation of spun fibers with different pitches is measured. The Verdet constant increases, while the linear birefringence decreases as the pitch becomes smaller. For spun fibers with 1 mm pitch, the Verdet constant can be enhanced by about 20.7% at 660 nm, compared with that of the unspun fiber. The results indicate that smaller linear birefringence can provide more accurate Faraday rotation measurement. |
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