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The fundamental difference in the eigenmode spectrum for traditional one-dimensional (1D) periodical Bragg structures and novel two-dimensional (2D) periodical Bragg structures of planar and coaxial geometry is discussed. In the case of 1D Bragg structures, the eigenmode frequencies are located outside the Bragg reflection zone while for 2D Bragg structures the highest Q-factor modes are located just...
Electrodynamic properties of two-dimensional (2-D) Bragg resonators of planar geometry realising 2-D distributed feedback are studied theoretically and experimentally. It was shown that the resonators possess high selectivity over both longitudinal and transverse mode indexes and the eigenmodes spectrum is defined by the profile of the corrugated surface of the conductors forming the resonator. Results...
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