HIGHLY BIREFRINGENT LOW-LOSS TERAHERTZ WAVEGUIDE: ELLIPTICAL POLYMER TUBE

被引：18

作者：

Chen, D. ^{[1
,3
,4
]}

Chen, H. ^{[2
]}

机构：

[1] Zhejiang Normal Univ, Inst Informat Opt, Jinhua 321004, Peoples R China

[2] Xian Technol Univ, Sch Optoelect Engn, Xian 710032, Peoples R China

[3] Zhejiang Normal Univ, Joint Res Lab Opt, Hangzhou 310058, Zhejiang, Peoples R China

[4] Zhejiang Univ, Hangzhou 310058, Zhejiang, Peoples R China

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 11-12期

关键词：

FIBERS; SPECTROSCOPY; SURFACE;

D O I：

10.1163/156939310792149623

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose an elliptical polymer tube (EPT) using as a highly birefringent low-loss Terahertz (THz) waveguide. High birefringence (up to the order of 0.01) is achieved due to the continuity of the electric displacement vector in the normal direction of the interfaces between the polymer materials and the air in the cross section of the EPT. Different properties of the effective index, mode area, power flow distribution and relative absorption loss for the x- and y-polarized fundamental modes of the proposed EPT are investigated. The relative absorption loss of the EPT is much lower than that of a solid elliptical polymer fiber. The birefringence property of the EPTs with different parameters is also calculated and discussed.

引用

页码：1553 / 1562

页数：10

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