Twin-half hollow elliptical core polarization-maintaining fiber for polarization state selective sensing

Chong Liu; Lei Wang; Zhihai Liu; Qiang Dai; Fengjun Tian; Libo Yuan

doi:10.1117/12.886041

17 May 2011 Twin-half hollow elliptical core polarization-maintaining fiber for polarization state selective sensing

Chong Liu, Lei Wang, Zhihai Liu, Qiang Dai, Fengjun Tian, Libo Yuan

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77535X (2011) https://doi.org/10.1117/12.886041
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We propose and fabricate a twin-half hollow elliptical core polarization maintaining fiber. The shape of the core in the polarization maintaining fiber is designed to be elliptical for generating a geometry birefringence. In the cladding, two half-hollows are symmetrically distributed with respect to the elliptical core for producing a stress birefringence. Therefore, the birefringence in such a polarization maintaining fiber is the mixed effect of the geometry and stress birefringence. The birefringence generating mechanism is analyzed in detail and a theoretical formula depicting the birefringence is built up. The simulation results for the twin-half hollow elliptical core fiber at different structural parameters are obtained by using finite element method. Through adjusting the structural parameters of the fiber, the relationships between the birefringence and the core diameter as well as the width of the core bridge are discussed.

Citation Download Citation

Chong Liu, Lei Wang, Zhihai Liu, Qiang Dai, Fengjun Tian, and Libo Yuan "Twin-half hollow elliptical core polarization-maintaining fiber for polarization state selective sensing", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77535X (17 May 2011); https://doi.org/10.1117/12.886041

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