Nondestructive measurement of complex permittivity and permeability using multilayered coplanar waveguide structures

Byoungjoong Kang; Jeiwon Cho; Changyul Cheon; Youngwoo Kwon

doi:10.1109/LMWC.2005.847738

Nondestructive measurement of complex permittivity and permeability using multilayered coplanar waveguide structures

Byoungjoong Kang, Jeiwon Cho, Changyul Cheon, Youngwoo Kwon

School of Electrical and Computer Engineering

Seoul National University

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

A method for simultaneous measurement of both complex permeability and permittivity is presented using a multilayered conductor-backed coplanar waveguide (MCBCPW) structure to evaluate the possibility of MCBCPW as a sensor for nondestructive electromagnetic measurement. Formulae and methods are developed to extract the electromagnetic parameters of material under test (MUT) placed on the topside of CPW. The measurement results for magnetic powder on MCBCPW sensor showed good agreement with those using coaxial sensors. The method allows both permittivity and permeability to be measured in a single-step measurement without modifying or reshaping the material, making this method particularly attractive for inhomogeneous materials such as biological materials.

Original language	English
Pages (from-to)	381-383
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	15
Issue number	5
DOIs	https://doi.org/10.1109/LMWC.2005.847738
State	Published - May 2005

Keywords

Coplanar waveguide
Multilayer
Nondestructive measurement
Permeability
Single sample

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10.1109/LMWC.2005.847738

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abstract = "A method for simultaneous measurement of both complex permeability and permittivity is presented using a multilayered conductor-backed coplanar waveguide (MCBCPW) structure to evaluate the possibility of MCBCPW as a sensor for nondestructive electromagnetic measurement. Formulae and methods are developed to extract the electromagnetic parameters of material under test (MUT) placed on the topside of CPW. The measurement results for magnetic powder on MCBCPW sensor showed good agreement with those using coaxial sensors. The method allows both permittivity and permeability to be measured in a single-step measurement without modifying or reshaping the material, making this method particularly attractive for inhomogeneous materials such as biological materials.",

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author = "Byoungjoong Kang and Jeiwon Cho and Changyul Cheon and Youngwoo Kwon",

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doi = "10.1109/LMWC.2005.847738",

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T1 - Nondestructive measurement of complex permittivity and permeability using multilayered coplanar waveguide structures

AU - Kang, Byoungjoong

AU - Cho, Jeiwon

AU - Cheon, Changyul

AU - Kwon, Youngwoo

PY - 2005/5

Y1 - 2005/5

N2 - A method for simultaneous measurement of both complex permeability and permittivity is presented using a multilayered conductor-backed coplanar waveguide (MCBCPW) structure to evaluate the possibility of MCBCPW as a sensor for nondestructive electromagnetic measurement. Formulae and methods are developed to extract the electromagnetic parameters of material under test (MUT) placed on the topside of CPW. The measurement results for magnetic powder on MCBCPW sensor showed good agreement with those using coaxial sensors. The method allows both permittivity and permeability to be measured in a single-step measurement without modifying or reshaping the material, making this method particularly attractive for inhomogeneous materials such as biological materials.

AB - A method for simultaneous measurement of both complex permeability and permittivity is presented using a multilayered conductor-backed coplanar waveguide (MCBCPW) structure to evaluate the possibility of MCBCPW as a sensor for nondestructive electromagnetic measurement. Formulae and methods are developed to extract the electromagnetic parameters of material under test (MUT) placed on the topside of CPW. The measurement results for magnetic powder on MCBCPW sensor showed good agreement with those using coaxial sensors. The method allows both permittivity and permeability to be measured in a single-step measurement without modifying or reshaping the material, making this method particularly attractive for inhomogeneous materials such as biological materials.

KW - Coplanar waveguide

KW - Multilayer

KW - Nondestructive measurement

KW - Permeability

KW - Single sample

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JO - IEEE Microwave and Wireless Components Letters

JF - IEEE Microwave and Wireless Components Letters

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ER -

Nondestructive measurement of complex permittivity and permeability using multilayered coplanar waveguide structures

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