NEW TYPE OF EIGENOSCILLATIONS AND TOTAL-TRANSMISSION RESONANCE THROUGH AN IRIS WITH BELOW-CUTOFF HOLE IN A RECTANGULAR WAVEGUIDE

被引：6
作者：
Don, N. G. [1 ]
Kirilenko, A. A. [1 ]
Senkevich, S. L. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Indtitute Radiophys & Elect, Kharkov, Ukraine
来源：
RADIOPHYSICS AND QUANTUM ELECTRONICS | 2008年 / 51卷 / 02期
关键词：
Critical Frequency; Rectangular Waveguide; Complex Frequency; Plane Junction; Resonant Point;
D O I：
10.1007/s11141-008-9009-7
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：
The total-transmission phenomenon of the main mode of a rectangular waveguide through a below-cutoff hole in the waveguide shorting before the point of occurrence of the higher-order waveguide modes is found. The effect is due to generation of high-Q eigenoscillations at the evanescent E-11 mode and is originated from a specific oscillation formed near a step junction of two waveguides, namely a larger single-mode waveguide and a smaller below-cutoff one. The iris composed of such two junctions is longitudinally symmetric. Thus, a pair of resonances occurs in accordance with the existence of a pair of symmetric and antisymmetric field distributions at the iris. Analogy with the recently found effects in double-periodic gratings with small holes is revealed.
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收藏
页码：101 / 109
页数：9
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