학술논문

Unloaded quality factor of a substrate integrated waveguide resonator and its variation with the substrate parameters
Document Type
Conference
Source
2013 International Conference on Microwave and Photonics (ICMAP) Microwave and Photonics (ICMAP), 2013 International Conference on. :1-4 Dec, 2013
Subject
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Substrates
Microwave filters
Dielectric losses
Optical waveguides
Microstrip
Resonator filters
band pass filter
resonator
substrate integrated waveguide (SIW)
unloaded Q-factor QU
Language
Abstract
In this paper, the variation of unloaded Quality factor Q U of a substrate integrated waveguide (SIW) resonator with the substrate parameters is presented. It is observed that the Q U strongly depends on substrate thickness, dielectric constant and loss tangent values. Q U of a SIW resonator is also compared with that of a conventional rectangular air filled waveguide resonator and also that of a microstrip resonator. The graphical results shown in this paper can be used as a guideline to choose a proper wave guiding structure or an appropriate substrate for SIW application especially where insertion loss is an important issue.