Propagation and excitation of the higher‐order E x11 mode in an insulated image guide
作者： Nemat Dolatsha , Jan Hesselbarth
DOI: 10.1002/MOP.26450
关键词:
摘要: The use of E mode in an insulated image guide is proposed. This has much lower conductor loss than the fundamental, mode. electric field primarily parallel to metal ground-plane; therefore, can be efficiently excited with a compact dipole structure oriented ground-plane. When insulating layer low permittivity and relatively thick, exhibits highest effective (largest propagation constant) all modes. reduces unwanted coupling at discontinuities. Two example structures, straight line double-bended are measured frequencies around 8 GHz. excitation waveguide causes insertion less 0.4 dB, radiation bends itself appears negligible. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:179–181, 2012; View this article online wileyonlinelibrary.com. DOI 10.1002/mop.26450
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