An Electrically Scanned Lens Antenna for 2-D Scanning ()
Abstract
An electrically scanned lens antenna for two dimensional scanning is presented. The antenna system is composed of a (N × 1) feed array, a binary diffractive dielectric lens (BDL) and a voltage-controlled ferroelectric lens (VCFL). The feeds at different offset foci of the BDL generate receiving beams pointing to different angles to perform beam scanning in one dimension; the VCFL made of ferroelectric slabs which show linear permittivity gradient when loaded with corresponding DC voltages generate linear phase shift to steer the beam in the other dimension.
Share and Cite:
Z. Wang and D. Fan, "An Electrically Scanned Lens Antenna for 2-D Scanning,"
Wireless Engineering and Technology, Vol. 3 No. 2, 2012, pp. 83-85. doi:
10.4236/wet.2012.32013.
Conflicts of Interest
The authors declare no conflicts of interest.
References
|
[1]
|
V. K. Varadan, D. K. Ghodgaonkar, V. V. Varadan, J. F. Kelly and P. Gilkerdas, “Ceramic Phase Shifters for Electronically Steerable Antenna Systems,” Microwave Journal, Vol. 35, 1992, pp. 116-127.
|
|
[2]
|
R. W. Babbitt, T. E. Koscica and W. C. Drach, “Planar Microwave Electro-Optic Phase Shifters,” Microwave Journal, Vol. 35, 1992, pp. 63-79.
|
|
[3]
|
J. B. L. Rao, D. P. Patel and V. Krichevsky, “Voltage-Controlled Ferroelectric Lens Phased Arrays,” IEEE Transactions on Antennas and Propagation, Vol. 47, No. 3, 1999, pp. 458-468. doi:10.1109/8.768780
|
|
[4]
|
Z. X. Wang and W. B. Dou, “Design and Analysis of Several Kinds of Dielectric Lens Antennas,” Journal of Electromagnetic Waves and Applications, Vol. 20, No. 12, 2006, pp. 1643-1653. doi:10.1163/156939306779292327
|
|
[5]
|
A. Taflove, “Advances in Computational Electrodynamics: The Finite-Difference Time-Domain Method,” Artech House, Inc., Boston, 1998.
|
|
[6]
|
Z. X. Wang and W. B. Dou, “Design and Analysis of Thin Diffractive/Refractive Lens Antennas,” Journal of Electromagnetic Waves and Applications, Vol. 20, No. 15, 2006, pp. 2239-2251. doi:10.1163/156939306779322558
|