Cutoff conditions of an annular dielectric waveguide with an exponentially decaying refractive-index profile in the guiding region

被引：0
|
作者：
Ganguly, S [1 ]
Singh, KS [1 ]
Pandey, PC [1 ]
Ojha, SP [1 ]
机构：
[1] Banaras Hindu Univ, Inst Technol, Dept Appl Phys, Varanasi 221005, Uttar Pradesh, India
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1999年 / 22卷 / 04期
关键词：
D O I：
10.1002/(SICI)1098-2760(19990820)22:4<226::AID-MOP2>3.0.CO;2-L
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An analytical method for the cutoff analysis of an annular dielectric waveguide with an exponentially decaying refractive-index profile in the guiding region is presented. The scalar field equation of the guiding region having a graded refractive-index profile is solved analytically, and the cutoff conditions are derived using the proper boundary conditions. Some numerical estimation for the cutoff values of the z-component of the propagation constant is also none. (C) 1999 John Wiley & Sons, Inc.
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页码：226 / 229
页数：4
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