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Influence of Corrugation Parameters on Mode Selectivity in a Coaxial Bragg Reflector
Lu Ying * #,Lai YingXin
Southwest Jiaotong University
*Correspondence author
#Submitted by
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Funding: 国家自然科学基金，西南交通大学科学基金（No.60471038，2006B53）
Opened online:12 October 2007
Accepted by: none
Citation: Lu Ying,Lai YingXin .Influence of Corrugation Parameters on Mode Selectivity in a Coaxial Bragg Reflector[OL]. [12 October 2007] http://en.paper.edu.cn/en_releasepaper/content/15619
 
 
Based on coupled mode theory of the irregular coaxial waveguide with smoothly varying profile, the mode selectivity of a coaxial Bragg reflector with inner and outer conducting wall sinusoidally corrugated is investigated. Numerical analysis is carried out under various corrugation parameters, and the results indicate that good mode selectivity can be achieved when the outer wall and inner rod of the reflector are corrugated with a same ripple period and proper amplitude. Comparative study shows that if the outer wall and inner rod have different corrugation periods, the mode selectivity of the coaxial Bragg reflector may be deteriorated.
Keywords:Bragg reflector; coaxial structure; mode coupling; sinuisoidal ripple
 
 
 

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