A method of suppressing mode competition in a coaxial localized-defect Bragg resonator operating in a higher-order mode

被引：3
|
作者：
Lai, Ying-Xin [1 ]
Zhang, Shi-Chang [1 ,2 ]
Yang, Lei [1 ]
机构：
[1] Dongguan Univ Technol, Sch Elect Engn, Dongguan 523808, Peoples R China
[2] SW Jiaotong Univ, Inst Photoelect, Chengdu 610031, Sichuan, Peoples R China
来源：
PHYSICS OF PLASMAS | 2011年 / 18卷 / 06期
关键词：
PHASE; DESIGN;
D O I：
10.1063/1.3598409
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A coaxial localized-defect Bragg resonator has potential applications in high-power CARM oscillators. When it operates at sub-terahertz and terahertz frequencies, a higher-order mode is always required so as to get enough large geometry size. Analysis shows that higher-order mode operation may cause undesired mode competition due to the localized defect coupling the operating mode with its neighboring modes. A simple but efficient method is presented to solve the mode competition problem, where Hamming windowing-function distribution is separately applied to both sides of the localized defect. (C) 2011 American Institute of Physics. [doi:10.1063/1.3598409]
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页数：4
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