ULTRAWIDEBAND ABSORBING BOUNDARY-CONDITION FOR TERMINATION OF WAVE-GUIDING STRUCTURES IN FD-TD SIMULATIONS

被引：65
|
作者：
REUTER, CE
JOSEPH, RM
THIELE, ET
KATZ, DS
TAFLOVE, A
机构：
[1] Electrical Engineering and Computer Science Department, McCormick School of Engineering, Northwestern University, Evanston
[2] Cray Research, Inc., El, Segundo
来源：
IEEE MICROWAVE AND GUIDED WAVE LETTERS | 1994年 / 4卷 / 10期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/75.324711
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：
A new method for ultrawideband termination of waveguides in finite-difference time-domain (FD-TD) grids is presented. The Berenger perfectly matched layer (PML) absorbing boundary condition is applied to terminate both perfect electrically conducting (PEC) and dielectric waveguides in two dimensions. Reflections of less than -75 dB are obtained over the entire propagation regime. Evidence is presented that the PML ABC is effective even for the evanescent energy present below cutoff in PEC waveguides and the multimode propagation present in dielectric waveguides.
引用
收藏
页码：344 / 346
页数：3
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