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Influence of Gradient on Bandwidth in a Coaxial Bragg Structure
Ding Xue-Yong 1 * #,Zhang Shi-Chang 2
1.Institute of Photoelectronics Southwest Jiaotong University Chengdu, P. R. China 610031
2.Institute of Photoelectronics Southwest Jiaotong University
*Correspondence author
#Submitted by
Subject:
Funding: 国家自然科学基金,教育部博士点基金（No.No. 60471038,No. 2006B53）
Opened online: 5 May 2008
Accepted by: none
Citation: Ding Xue-Yong ,Zhang Shi-Chang .Influence of Gradient on Bandwidth in a Coaxial Bragg Structure[OL]. [ 5 May 2008] http://en.paper.edu.cn/en_releasepaper/content/21116
 
 
The Bragg structure can be used as a reflector ,also can be used as a filter. When it as a reflector to construct resonator, the selectivity of a Bragg reflector can be increased by making the bandwidth narrower; when it as a filter , the bandwidth is more broad, the filter bound more broad. To change the bandwidth of a coaxial Bragg structure with inner and outer conducting wall gradient sinusoidally corrugated is investigated. Numerical study illustrates that the bandwidth can be changed obviously when the outer wall and the inner rod are corrugated with a same gradient sinusoidally corrugated.
Keywords:Bragg-structure ; Sinuisoidal ripple with gradient; Ripple amplitude; Hamming-window
 
 
 

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