Application of the field-component FDM in CAA of waveguide three-port junctions

H. Y. Ding; Edward K. N. Yung; W. D. Chen

doi:10.1117/12.262752

18 December 1996 Application of the field-component FDM in CAA of waveguide three-port junctions

H. Y. Ding, Edward K. N. Yung, W. D. Chen

Proceedings Volume 2842, Millimeter and Submillimeter Waves and Applications III; (1996) https://doi.org/10.1117/12.262752
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

A numerical approach based on the 3D finite-difference method and the analytical results of the fields in waveguides is developed for the analysis of the characteristics of waveguide three-port junctions. The basic two wave equations described by two transverse field components with respect to the direction of the power propagation are derived from the Maxwell Equations in cylindrical coordinates. For the junctions filled with air, there is only one field component in each equation, and generally solving the equation relative to electric field is enough for the obtain of the property of the junction. Two typical cases were analyzed by the approach and the results agree well with the earlier experimental and theoretical results.

Citation Download Citation

H. Y. Ding, Edward K. N. Yung, and W. D. Chen "Application of the field-component FDM in CAA of waveguide three-port junctions", Proc. SPIE 2842, Millimeter and Submillimeter Waves and Applications III, (18 December 1996); https://doi.org/10.1117/12.262752

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