4 November 2010 Low-loss and birefringent terahertz polymer elliptical-tube waveguides
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In this work, modal birefringence and loss characteristic for the fundamental mode in terahertz (THz) polymer elliptical-tube waveguides are investigated by using a full vector finite element method (FEM). Numerical results show that this kind of waveguide has high birefringence (~10-2) and better loss property as a large part of mode power is trapped in the air-core inside the polymer elliptical-tube. Dependence study of the birefringence on several parameters is also provided and numerical results show the birefringence increases as refractive index and thickness of polymer tube increased.
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Jingli Wang, Jingli Wang, Jianquan Yao, Jianquan Yao, } "Low-loss and birefringent terahertz polymer elliptical-tube waveguides", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78543F (4 November 2010); doi: 10.1117/12.868600; https://doi.org/10.1117/12.868600


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