Design of dielectric resonator reflectarray using full-wave analysis

Reflectarray antennas realized by rectangular and crossed dielectric resonator for linear and circular polarization, respectively, in X-band are investigated. The reflectarray is center fed by linearly polarized pyramidal horn antenna. Full-wave analysis using the finite integration technique is applied. The mutual coupling between the feeding horn and the elements of the reflectarray are considered. A 15.5% bandwidth is achieved with 1 dB gain variation in case of linearly polarized reflectarray designed at 10 GHz. The reflectarray has a gain of 25 dBi. The cross-polarization is very low of about −55dB below the main beam peak. The 3-dB beamwidth is 5°. Circularly polarized dielectric resonator reflectarray antenna with linearly polarized feed is presented. 169-element reflectarray antenna is designed. For the frequency band between 8.2 GHz and 10.3 GHz, the gain is from 15.6 dBi to 18.5 dBi, and the axial ratio is below 3 dB.

[1]  J. Huang,et al.  A C/ka dual frequency dual Layer circularly polarized reflectarray antenna with microstrip ring elements , 2004, IEEE Transactions on Antennas and Propagation.

[2]  N. Misran,et al.  Design optimisation of ring elements for broadband reflectarray antennas , 2003 .

[3]  J. Huang,et al.  Microstrip reflectarray , 1991, Antennas and Propagation Society Symposium 1991 Digest.

[4]  D. Berry,et al.  The reflectarray antenna , 1963 .

[5]  R. Pogorzelski,et al.  A Ka-band microstrip reflectarray with elements having variable rotation angles , 1998 .

[6]  J. A. Zornoza,et al.  Three-layer printed reflectarrays for contoured beam space applications , 2004, IEEE Transactions on Antennas and Propagation.

[7]  A. A. Kishk,et al.  Dielectric resonator antenna, a candidate for radar applications , 2003, Proceedings of the 2003 IEEE Radar Conference (Cat. No. 03CH37474).

[8]  J.I.M. Lopez,et al.  Spiraphase-type reflectarrays based on loaded ring slot resonators , 2004, IEEE Transactions on Antennas and Propagation.

[9]  Kwai-Man Luk,et al.  Single‐feed elliptical dielectric resonator antennas for circularly polarized applications , 2006 .

[10]  Dau-Chyrh Chang,et al.  Multiple-polarization microstrip reflectarray antenna with high efficiency and low cross-polarization , 1995 .

[11]  Kwai-Man Luk,et al.  Study on Sequential Feeding Networks for Subarrays of Circularly Polarized Elliptical Dielectric Resonator Antenna , 2007, IEEE Transactions on Antennas and Propagation.

[12]  M. Clemens,et al.  Discrete Electromagnetism With the Finite Integration Technique - Abstract , 2001 .

[13]  Wolfgang Menzel,et al.  Millimeter-wave folded reflector antennas with high gain, low loss, and low profile , 2002 .

[14]  H. Ng,et al.  Dielectric Resonator Antennas , 2005 .

[15]  Kai Chang,et al.  Circularly polarized reflectarray with microstrip ring elements having variable rotation angles , 2004, IEEE Transactions on Antennas and Propagation.

[16]  D. Pozar,et al.  Design of millimeter wave microstrip reflectarrays , 1997 .

[17]  A. Ittipiboon,et al.  A Ka-Band Dielectric Resonator Antenna Reflectarray , 2000, 2000 30th European Microwave Conference.