A multiconductor probe for broadband dielectric-spectrum measurements
Arkadiusz Lewandowski , A. Wilczek , A. Szypłowska , M. Kafarski , J. Szerement , W. Skierucha
AbstractWe present a new probe design for broadband dielectric spectrum measurements of powdery and granular materials. Our probe is based on a multiconductor transmission line consisting of a signal conductor surrounded by multiple ground conductors. We present approximate design equations for such a multiconductor structure and perform electromagnetic simulations in order to verify performance of our probe. These simulations mimic a calibration procedure of a probe and also measurements of PTFE, isopropanol, and methanol. Based on those simulated measurements we further extract the dielectric spectrum of the materials under test. Our analysis shows that at least eight ground conductors are required for an accurate measurement in the 0.2–3 GHz frequency range.
|Publication size in sheets||0.5|
|Book||Proc. 12th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances, 2018|
|Keywords in English||frequency-domain reflectometry, multiconduc- tor probe, offset-short calibration, electromagnetic simulations, dielectric spectrum|
|Score|| = 15.0, 24-09-2018, BookChapterMatConf|
= 15.0, 24-09-2018, BookChapterMatConf
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.