A generic approach for permittivity measurement of dielectric materials using a discontinuity in a rectangular waveguide or a microstrip line

1995 ◽  
Vol 43 (5) ◽  
pp. 1060-1066 ◽  
Author(s):  
J. Abdulnour ◽  
C. Akyel ◽  
Ke Wu
Keyword(s):  
Rectangular Waveguide ◽  
Microstrip Line ◽  
Dielectric Materials ◽  
Permittivity Measurement

scholarly journals Novel MNZ-type microwave sensor for testing magnetodielectric materials

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Abhishek Kumar Jha ◽  
Nicolò Delmonte ◽  
Adam Lamecki ◽  
Michal Mrozowski ◽  
Maurizio Bozzi
Keyword(s):  
Magnetic Properties ◽  
Relative Permittivity ◽  
Microstrip Line ◽  
Dielectric Materials ◽  
Metal Strip ◽  
Network Analyzer ◽  
Microwave Frequencies ◽  
Microwave Sensor ◽  
Iron Garnet ◽  
Good Agreement

Abstract A novel microwave sensor with the mu-near-zero (MNZ) property is proposed for testing magnetodielectric material at 4.5 GHz. The sensor has a double-layer design consisting of a microstrip line and a metal strip with vias on layers 1 and 2, respectively. The proposed sensor can detect a unit change in relative permittivity and relative permeability with a difference in the operating frequency of 45 MHz and 78 MHz, respectively. The MNZ sensor is fabricated and assembled on two layers of Taconic RF-35 substrate, with thicknesses of 0.51 mm and 1.52 mm, respectively, for the measurement of the sample under test using a vector network analyzer. The dielectric and magnetic properties of two standard dielectric materials (Taconic CER-10 and Rogers TMM13i) and of yttrium–gadolinium iron garnet are measured at microwave frequencies. The results are found to be in good agreement with the values available in the literature, which shows the applicability of the prototype for sensing of magnetodielectric materials.

scholarly journals A right-angle wideband transition between differential microstrip line and rectangular waveguide

2017 ◽  
Vol 14 (4) ◽  
pp. 20161206-20161206
Author(s):  
Ziqiang Yang ◽  
Liming Zhang ◽  
Haodong Lin ◽  
Tao Yang
Keyword(s):  
Rectangular Waveguide ◽  
Microstrip Line ◽  
Wideband Transition
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