An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design

Symon K. Podilchak; Ladislau Matekovits; Alois P. Freundorfer; Yahia M M Antar

doi:10.1109/EuCAP.2014.6901824

An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design

Symon K. Podilchak^*, Ladislau Matekovits, Alois P. Freundorfer, Yahia M M Antar

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

1 Citation (Scopus)

Abstract

A simple and practical design technique is proposed to control guided-waves on a dielectric substrate. In particular, by introducing longitudinal slots with a transverse and sub-wavelength periodicity in the bottom metallic surface of a dielectric slab, radial surface-wave (SW) fields can be controlled for bound plane-wave propagation. An analysis of this guide is provided were the longitudinal slots for the modified ground plane are modeled by a tensor impedance sheet. Numerical calculations are in agreement with the full-wave simulations were considerations have been made for the structure anisotropy. Routing concepts are further applied to a SW-fed planar leaky-wave antenna (LWA) defined by a transverse array of microstrip lines with periodic width-modulation. Improved realized gain values for the LWA design are observed (more than 2.5 dB) when compared to a conventional ground plane configuration. Our approach for field control can also be applied to new guides and transitions, routing circuits, and other planar structures which operate at microwave and millimeter-wave frequencies.

Original language	English
Title of host publication	EuCAP 2014
Subtitle of host publication	the 8th European Conference on Antennas and Propagation
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	581-585
Number of pages	5
ISBN (Electronic)	9788890701849
DOIs	https://doi.org/10.1109/EuCAP.2014.6901824
Publication status	Published - 2014
Externally published	Yes
Event	8th European Conference on Antennas and Propagation, EuCAP 2014 - The Hague, Netherlands Duration: 6 Apr 2014 → 11 Apr 2014

Other

Other	8th European Conference on Antennas and Propagation, EuCAP 2014
Country/Territory	Netherlands
City	The Hague
Period	6/04/14 → 11/04/14

Access to Document

10.1109/EuCAP.2014.6901824

Cite this

Podilchak, S. K., Matekovits, L., Freundorfer, A. P., & Antar, Y. M. M. (2014). An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design. In EuCAP 2014: the 8th European Conference on Antennas and Propagation (pp. 581-585). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/EuCAP.2014.6901824

Podilchak, Symon K. ; Matekovits, Ladislau ; Freundorfer, Alois P. et al. / An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design. EuCAP 2014: the 8th European Conference on Antennas and Propagation. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2014. pp. 581-585

@inproceedings{528d0a74f2a94543b3bdeb1ac1688a08,

title = "An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design",

abstract = "A simple and practical design technique is proposed to control guided-waves on a dielectric substrate. In particular, by introducing longitudinal slots with a transverse and sub-wavelength periodicity in the bottom metallic surface of a dielectric slab, radial surface-wave (SW) fields can be controlled for bound plane-wave propagation. An analysis of this guide is provided were the longitudinal slots for the modified ground plane are modeled by a tensor impedance sheet. Numerical calculations are in agreement with the full-wave simulations were considerations have been made for the structure anisotropy. Routing concepts are further applied to a SW-fed planar leaky-wave antenna (LWA) defined by a transverse array of microstrip lines with periodic width-modulation. Improved realized gain values for the LWA design are observed (more than 2.5 dB) when compared to a conventional ground plane configuration. Our approach for field control can also be applied to new guides and transitions, routing circuits, and other planar structures which operate at microwave and millimeter-wave frequencies.",

author = "Podilchak, {Symon K.} and Ladislau Matekovits and Freundorfer, {Alois P.} and Antar, {Yahia M M}",

year = "2014",

doi = "10.1109/EuCAP.2014.6901824",

language = "English",

pages = "581--585",

booktitle = "EuCAP 2014",

publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

address = "United States",

note = "8th European Conference on Antennas and Propagation, EuCAP 2014 ; Conference date: 06-04-2014 Through 11-04-2014",

}

Podilchak, SK, Matekovits, L, Freundorfer, AP & Antar, YMM 2014, An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design. in EuCAP 2014: the 8th European Conference on Antennas and Propagation. Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 581-585, 8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, Netherlands, 6/04/14. https://doi.org/10.1109/EuCAP.2014.6901824

An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design. / Podilchak, Symon K.; Matekovits, Ladislau; Freundorfer, Alois P. et al.
EuCAP 2014: the 8th European Conference on Antennas and Propagation. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2014. p. 581-585.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

TY - GEN

T1 - An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design

AU - Podilchak, Symon K.

AU - Matekovits, Ladislau

AU - Freundorfer, Alois P.

AU - Antar, Yahia M M

PY - 2014

Y1 - 2014

N2 - A simple and practical design technique is proposed to control guided-waves on a dielectric substrate. In particular, by introducing longitudinal slots with a transverse and sub-wavelength periodicity in the bottom metallic surface of a dielectric slab, radial surface-wave (SW) fields can be controlled for bound plane-wave propagation. An analysis of this guide is provided were the longitudinal slots for the modified ground plane are modeled by a tensor impedance sheet. Numerical calculations are in agreement with the full-wave simulations were considerations have been made for the structure anisotropy. Routing concepts are further applied to a SW-fed planar leaky-wave antenna (LWA) defined by a transverse array of microstrip lines with periodic width-modulation. Improved realized gain values for the LWA design are observed (more than 2.5 dB) when compared to a conventional ground plane configuration. Our approach for field control can also be applied to new guides and transitions, routing circuits, and other planar structures which operate at microwave and millimeter-wave frequencies.

AB - A simple and practical design technique is proposed to control guided-waves on a dielectric substrate. In particular, by introducing longitudinal slots with a transverse and sub-wavelength periodicity in the bottom metallic surface of a dielectric slab, radial surface-wave (SW) fields can be controlled for bound plane-wave propagation. An analysis of this guide is provided were the longitudinal slots for the modified ground plane are modeled by a tensor impedance sheet. Numerical calculations are in agreement with the full-wave simulations were considerations have been made for the structure anisotropy. Routing concepts are further applied to a SW-fed planar leaky-wave antenna (LWA) defined by a transverse array of microstrip lines with periodic width-modulation. Improved realized gain values for the LWA design are observed (more than 2.5 dB) when compared to a conventional ground plane configuration. Our approach for field control can also be applied to new guides and transitions, routing circuits, and other planar structures which operate at microwave and millimeter-wave frequencies.

UR - http://www.scopus.com/inward/record.url?scp=84908637301&partnerID=8YFLogxK

U2 - 10.1109/EuCAP.2014.6901824

DO - 10.1109/EuCAP.2014.6901824

M3 - Conference proceeding contribution

AN - SCOPUS:84908637301

SP - 581

EP - 585

BT - EuCAP 2014

PB - Institute of Electrical and Electronics Engineers (IEEE)

CY - Piscataway, NJ

T2 - 8th European Conference on Antennas and Propagation, EuCAP 2014

Y2 - 6 April 2014 through 11 April 2014

ER -

Podilchak SK, Matekovits L, Freundorfer AP, Antar YMM. An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design. In EuCAP 2014: the 8th European Conference on Antennas and Propagation. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE). 2014. p. 581-585 doi: 10.1109/EuCAP.2014.6901824

An anisotropic substrate grounded with a tensor impedance sheet for control of guided-waves and application to planar leaky-wave antenna design

Abstract

Other

Access to Document

Other files and links

Fingerprint

Cite this