Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method

Kouji SHIBATA; Osamu HASHIMOTO; Kouji WADA

Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method

Kouji SHIBATA, Osamu HASHIMOTO, Kouji WADA

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A method for estimating complex permittivity of a material using a rectangular waveguide with a flange is presented by the finite difference time domain (FDTD) method. An advantage of the present method is that it is not necessary to vary the material structure in order to insert it into the waveguide. Therefore estimation errors related to the dimensions of the material are almost negligible. In this case, fluoridated rubber is chosen as the low-loss material. The comparison of the complex permittivity of the material determined by the present method with FDTD and the conventional waveguide method at 10 GHz is performed. It was confirmed that the present method is effective for estimating the complex permittivity under the condition that the length of the flange is about 50 mm (1.7λ) square.

Publication: IEICE TRANSACTIONS on Electronics Vol.E84-C No.7 pp.977-980

Publication Date: 2001/07/01

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Type of Manuscript: Special Section LETTER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)

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Kouji SHIBATA, Osamu HASHIMOTO, Kouji WADA, "Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method" in IEICE TRANSACTIONS on Electronics, vol. E84-C, no. 7, pp. 977-980, July 2001, doi: .
Abstract: A method for estimating complex permittivity of a material using a rectangular waveguide with a flange is presented by the finite difference time domain (FDTD) method. An advantage of the present method is that it is not necessary to vary the material structure in order to insert it into the waveguide. Therefore estimation errors related to the dimensions of the material are almost negligible. In this case, fluoridated rubber is chosen as the low-loss material. The comparison of the complex permittivity of the material determined by the present method with FDTD and the conventional waveguide method at 10 GHz is performed. It was confirmed that the present method is effective for estimating the complex permittivity under the condition that the length of the flange is about 50 mm (1.7λ) square.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e84-c_7_977/_p

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@ARTICLE{e84-c_7_977,
author={Kouji SHIBATA, Osamu HASHIMOTO, Kouji WADA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method},
year={2001},
volume={E84-C},
number={7},
pages={977-980},
abstract={A method for estimating complex permittivity of a material using a rectangular waveguide with a flange is presented by the finite difference time domain (FDTD) method. An advantage of the present method is that it is not necessary to vary the material structure in order to insert it into the waveguide. Therefore estimation errors related to the dimensions of the material are almost negligible. In this case, fluoridated rubber is chosen as the low-loss material. The comparison of the complex permittivity of the material determined by the present method with FDTD and the conventional waveguide method at 10 GHz is performed. It was confirmed that the present method is effective for estimating the complex permittivity under the condition that the length of the flange is about 50 mm (1.7λ) square.},
keywords={},
doi={},
ISSN={},
month={July},}

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TY - JOUR
TI - Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method
T2 - IEICE TRANSACTIONS on Electronics
SP - 977
EP - 980
AU - Kouji SHIBATA
AU - Osamu HASHIMOTO
AU - Kouji WADA
PY - 2001
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E84-C
IS - 7
JA - IEICE TRANSACTIONS on Electronics
Y1 - July 2001
AB - A method for estimating complex permittivity of a material using a rectangular waveguide with a flange is presented by the finite difference time domain (FDTD) method. An advantage of the present method is that it is not necessary to vary the material structure in order to insert it into the waveguide. Therefore estimation errors related to the dimensions of the material are almost negligible. In this case, fluoridated rubber is chosen as the low-loss material. The comparison of the complex permittivity of the material determined by the present method with FDTD and the conventional waveguide method at 10 GHz is performed. It was confirmed that the present method is effective for estimating the complex permittivity under the condition that the length of the flange is about 50 mm (1.7λ) square.
ER -