Skip to main content Accessibility help
×
Home

Liquid crystal-based tunable CRLH-transmission line for leaky wave antenna applications at Ka-Band

  • María Roig (a1), Matthias Maasch (a1), Christian Damm (a1) and Rolf Jakoby (a1)

Abstract

In this work, a liquid crystal based tunable composite right/left-handed transmission line for future leaky wave antennas working at the Ka-band is presented. The tuning of the liquid crystal is achieved by means of magnetic and electric biasing. For this purpose, different prototypes are fabricated for each biasing technique and their dispersive characteristics compared. Electric tunability is achieved by implementing highly resistive bias lines in the unit cell layout. Both techniques yield similar tuning capabilities at the operation frequency of 27GHz whereas the electric one has the advantage of being easily integratable in the layout.

Copyright

Corresponding author

Corresponding author: M. Roig Email: roig@imp.tu-darmstadt.de

References

Hide All
[1]Jackson, D.; Caloz, C.; Itoh, T.: Leaky-wave antennas. Proc. IEEE, 100 (7) (2012), 21942206.
[2]Podilchak, S.; Freundorfer, A.; Antar, Y.M.M.: Broadside radiation from a planar 2-d leaky-wave antenna by practical surface-wave launching. IEEE Antennas Wirel. Propag. Lett., 7 (2008), 517520.
[3]Liu, L.; Caloz, C.; Itoh, T.: Dominant mode leaky-wave antenna with backfire-to-endfire scanning capability. Electron. Lett., 38 (23) (2002), 14141416.
[4]Caloz, C.; Itoh, T.; Rennings, A.: Crlh metamaterial leaky-wave and resonant antennas. IEEE Antennas Propag. Mag., 50 (5) (2008), 2539.
[5]Hashemi, M.; Itoh, T.: Evolution of composite right/left-handed leaky-wave antennas. Proc. IEEE, 99 (10) (2011), 17461754.
[6]Otto, S.; Rennings, A.; Solbach, K.; Caloz, C.: Transmission line modeling and asymptotic formulas for periodic leaky-wave antennas scanning through broadside. IEEE Transact. Antennas Propag., 59 (10) (2011), 36953709.
[7]Paulotto, S.; Baccarelli, P.; Frezza, F.; Jackson, D.: Full-wave modal dispersion analysis and broadside optimization for a class of microstrip CRLH leaky-wave antennas. IEEE Transact. Microw. Theory Tech., 56 (12) (2008), 28262837.
[8]Johnson, R.C.; Jasik, H.: Antenna Engineering Handbook, McGraw-Hill, New York, NY, 1984.
[9]Liu, J.; Jackson, D.; Long, Y.: Substrate integrated waveguide (siw) leaky-wave antenna with transverse slots. IEEE Transact. Antennas Propag., 60 (1) (2012), 2029.
[10]Hashemi, M.; Itoh, T.: Dispersion engineered metamaterial-based transmission line for conformal surface application, in 2008 IEEE MTT-S Int. Microwave Symp. Digest, 2008, 331–334.
[11]Kodera, T.; Caloz, C.: Uniform ferrite-loaded open waveguide structure with CRLH response and its application to a novel backfire-to-endfire leaky-wave antenna. IEEE Transact. Microw. Theory Techn., 57 (4) (2009), 784795.
[12]Lim, S.; Caloz, C.; Itoh, T.: Electronically-controlled metamaterial-based transmission line as a continuous-scanning leaky-wave antenna, in 2004 IEEE MTT-S Int. Microwave Symp. Digest, vol. 1, June 2004, 313–316.
[13]Lim, S.; Caloz, C.; Itoh, T.: Metamaterial-based electronically controlled transmission-line structure as a novel leaky-wave antenna with tunable radiation angle and beamwidth. IEEE Transact. Microw. Theory Tech., 53 (1) (2005), 161173.
[14]Huang, L.; Chiao, J.-C.; De Lisio, P.: An electronically switchable leaky wave antenna. IEEE Transact. Antennas Propag., 48 (11) (2000), 17691772.
[15]Mueller, S.; Goelden, F.; Scheele, P.; Wittek, M.; Hock, C.; Jakoby, R.: Passive phase shifter for w-band applications using liquid crystals, in 36th Eur. Microwave Conf., 2006, September 2006, 306–309.
[16]Damm, C.; Maasch, M.; Gonzalo, R.; Jakoby, R.: Tunable composite right/left-handed leaky wave antenna based on a rectangular waveguide using liquid crystals, in 2010 IEEE MTT-S Int. Microwave Symp. Digest (MTT), May 2010, 13–16.
[17]Roig, M.; Maasch, M.; Damm, C.; Karabey, O.H.; Jakoby, R.: Liquid crystal based tunable composite right/left-handed leaky-wave antenna for ka-band applications, in 2013 European Microwave Conf. (EuMC), 2013, 759–762.
[18]Caloz, C.; Itoh, T.: Novel microwave devices and structures based on the transmission line approach of meta-materials, in 2003 IEEE MTT-S Int. Microwave Symp. Digest, vol. 1, 2003, 195–198.
[19]Goelden, F.; Gaebler, A.; Mueller, S.; Lapanik, A.; Haase, W.; Jakoby, R.: Liquid-crystal varactors with fast switching times for microwave applications. Electron. Lett., 44 (7) 27 (2008), 480481.

Keywords

Liquid crystal-based tunable CRLH-transmission line for leaky wave antenna applications at Ka-Band

  • María Roig (a1), Matthias Maasch (a1), Christian Damm (a1) and Rolf Jakoby (a1)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed