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Characters of frequency response in a coaxial Bragg structure
Xue-Yong Ding 1 * #, Shi-Chang Zhang 2,Yong-Chao Xie 3,Na Yang 3
1.Institute of Photoelectronics, Southwest Jiaotong University, Chengdu SC610031, P. R. China
2. Jiaotong University, Chengdu SC610031, P. R. China
3.Jiaotong University, Chengdu SC610031, P. R. China
*Correspondence author
#Submitted by
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Funding: 国家自然科学基金(No.60471038)
Opened online:21 July 2008
Accepted by: none
Citation: Xue-Yong Ding , Shi-Chang Zhang ,Yong-Chao Xie .Characters of frequency response in a coaxial Bragg structure[OL]. [21 July 2008] http://en.paper.edu.cn/en_releasepaper/content/22976
 
 
Based on the CST software, numerical simulations are carried out for the frequency response in a coaxial Bragg structure with tapered ripples. Results show that the bandwidth of the frequency response can be either narrowed or expanded, which depends on the tapering angle, and that the residual side-lobes of the frequency response can be effectively suppressed by employing the windowing-function technique. These characters of a tapered coaxial Bragg structure are favorable to improvement of the performance as a reflector or a filter in its application.
Keywords:Coaxial Bragg-structure; Tapered sinusoidal ripples; Residual side-lobes; Windowing function
 
 
 

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