Radiation from a Slotted Rectangular Waveguide Filled with Asymmetrically Biased Ferrite Slabs

Authors: Hwang, Keum Cheol¹; Eom, Hyo²

Source: Electromagnetics, Volume 29, Number 6, August 2009 , pp. 435-446(12)

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Abstract:

Radiation from a slotted rectangular waveguide filled with asymmetrically biased ferrites is investigated in this study. A theoretical model of slotted parallel plates is used for analysis. A boundary value problem is rigorously solved with the Fourier transform and mode matching method to obtain simultaneous equations. The radiation field is represented in a fast convergent series that is efficient for numerical calculation. The radiation behaviors are estimated in terms of ferrite configurations and bias fields. Maximum angular scanning of 90.2° is achieved when the DC magnetic bias field varies from 0 to 2,000 oe.

Keywords: slotted rectangular waveguide; ferrite; Fourier transform; mode matching

Document Type: Research article

DOI: http://dx.doi.org/10.1080/02726340903098258

Affiliations: 1: Department of Electronics Engineering, Dongguk University, Seoul, Korea 2: Division of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea

Publication date: 2009-08-01

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