3D-printed dielectric helical THz Waveguides

被引：0
|
作者：
Vogt, Dominik [1 ,2 ]
Leonhardt, Rainer [1 ,2 ]
机构：
[1] Univ Auckland, Dodd Walls Ctr Photon & Quantum Technol, Private Bag 92019, Auckland 1142, New Zealand
[2] Univ Auckland, Dept Phys, Auckland 1142, New Zealand
来源：
2015 40TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2015年
关键词：
D O I：
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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 report on a 3D-printed helical waveguide to increase the bandwidth of a low-loss dielectric tube Terahertz (THz) waveguide. The helical design prevents the multiple reflections in the tube cladding hence avoiding the pronounced interference pattern in the attenuation spectrum of a dielectric tube waveguide. Both THz time-domain spectroscopy (THzTDS) measurements and finite-difference time-domain (FDTD) simulations consistently confirm the extended bandwidth of the dielectric helical waveguide. In addition, numerical investigations reveal that the broadband behavior of the 3D-printed helical waveguide is not critical with respect to the absorption of the waveguide material.
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页数：2
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