Title :
Analyzing the characteristics of periodic structures in leaky NRD guide using FDTD method
Author :
Jung-Yub Lee ; Jeong-Hae Lee ; No-Weon Kang ; Hyeong-Seok Kim ; Hyun-Kyo Jung
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., South Korea
Abstract :
Recently, air-hole periodic structures have been suggested to suppress leaky waves in NRD (nonradiative dielectric) waveguides. However the characteristics of air-hole periodic structures in NRD waveguides have not been considered in detail. In this paper, the propagation characteristics of air-hole periodic structures in NRD waveguides are analyzed in detail using the FDTD method. The results show that leakage in NRD guide waves decrease with thickness and number of air-holes and increase with an increase in the spacing of air-holes.
Keywords :
finite difference time-domain analysis; nonradiative dielectric waveguides; periodic structures; FDTD method; air hole number; air hole spacing; air hole thickness; air-hole periodic structures; leaky NRD waveguides; leaky wave suppression; nonradiative dielectric waveguides; Air gaps; Analytical models; Boundary conditions; Computer science; Degradation; Doping; Finite difference methods; Magnetic domains; Periodic structures; Time domain analysis;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1219314
