Experiment on loss characteristics for 0.14 THz folded waveguide slow-wave structure

被引：0
作者：
Wang, Yajun [1 ,2 ]
Xu, Ao [1 ,2 ]
Yan, Shengmei [1 ,2 ]
Xiang, Wei [1 ,2 ]
机构：
[1] Institute of Electronic Engineering, CAEP, P. O. Box 919-918, Mianyang
[2] Terahertz Research Center, CAEP, P. O. Box 919-918, Mianyang
来源：
Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams | 2015年 / 27卷 / 01期
关键词：
Folded waveguide; High-frequency loss; Surface roughness; Terahertz;
D O I：
10.11884/HPLPB201527.013102
中图分类号：
学科分类号：
摘要：
The most commonly used method was adopted to calculate the conductivity loss. This paper analyzed two kinds of theory formula to calculate the effective conductivity, and fabricated the folded waveguide slow-wave structure for testing. The test result shows that the effective conductivity of 0.14 THz folded waveguide structure in oxygen free copper is 4×107 S/m when the surface roughness is 0.3 μm, which is not consistent with the theory calculation. Finally, the reason for this discrepancy was discussed, and a modified theoretical formula was put forward. ©, 2015, Editorial Office of High Power Laser and Particle Beams. All right reserved.
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页数：5
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