Otto, Simon; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe:
Broadside radiation in frequency-scanning periodic leaky-wave antennas : circuit analysis, asymptotic formulas, and fundamental behaviors
In: IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting Registration, Short Courses and Workshops - paper no. TH-AMa.13.2, Spokane, WA, USA, 2011, S. 223 - 225
2011Buchaufsatz/Kapitel in Sammelwerk
ElektrotechnikFakultät für Ingenieurwissenschaften
Titel:
Broadside radiation in frequency-scanning periodic leaky-wave antennas : circuit analysis, asymptotic formulas, and fundamental behaviors
Autor*in:
Otto, SimonUDE
LSF ID
49862
Sonstiges
der Hochschule zugeordnete*r Autor*in
;Rennings, AndreasUDE
LSF ID
3322
ORCID
0000-0003-4606-3712ORCID iD
Sonstiges
der Hochschule zugeordnete*r Autor*in
;Solbach, KlausUDE
GND
138146225
LSF ID
1301
ORCID
0000-0001-7904-3983ORCID iD
Sonstiges
der Hochschule zugeordnete*r Autor*in
;Caloz, Christophe
WWW URL:
http://www.ate.uni-due.de/data/dokumente_2011/IEEE_URSI_2011_Rennings.pdf
Erschienen in
IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting Registration, Short Courses and Workshops
Auflage:
paper no. TH-AMa.13.2
Erscheinungsort:
Spokane, WA, USA
Erscheinungsjahr:
2011
in:
S. 223 - 225

Abstract:

Frequency-scanning periodic leaky-wave antennas are prone to gain degradation when scanned through the broadside direction (Paulotto, S.; Baccarelli, P.; Frezza,F. & Jackson, D. (2008), 'Full-Wave Modal Dispersion Analysis and Broadside Optimization for a Class of Microstrip CRLH Leaky-Wave Antennas', IEEE J MTT 56(12), 2826{2837.). Our contribution addresses this phenomenon using a simplified transmission line (TL) analysis and points out the required conditions to mitigate this issue. The radiation power and dissipation loss of an antenna unit cell can be decomposed into series and shunt contributions in the equivalent TL network model. We identify two regimes, the "broadside" and "off-broadside" regimes, for which we present asymptotic formulas for the propagation constant, quality factor, Bloch impedance, stored energy and dissipated power.