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Diffraction Properties from Periodic Slot Array in the Upper Wall of Parallel Plate Waveguide  

Park Jin-Taek (School of Information and Telecommunication Department, Changshin College)
Hong Jae-Pyo (School of Electronic and Information Eng., Kyungil University)
Ko Ji-Whan (School of Electronic Eng., Kumoh National University of Technology)
Cho Young-Ki (School of Electronic and Electrical Engineering and Computer Science, Kyungpook National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.16, no.3, 2005 , pp. 311-318 More about this Journal
Abstract
Periodically perforated slot structure in the upper wall of the parallel plate waveguide is analyzed with main interest focusing on the diffraction Properties. The Periodic slot array is of infinite extent in one direction and of finite extent in the other direction. Various numerical results for reflection from the slotted section and transmission beyond the slotted section, and the radiation through the slotted section into the upper half space are presented with the height of feeding parallel plate waveguide, single slot size, and the periodicity between slots as parameters. This study is thought to be helpful to the design of the ventilation hole in the TFT-LCD and PDP.
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