TASKS & DELIVERABLES

•	As for the simulation part, we will simulate the performance of the coaxial CTS array and include the multiband operation as well as the beam steering capability using the Ferroelectric materials. Approach involving the multiplayer dielectric approach to reduce losses will be implemented, evaluated, and possibly optimized [15,17].
•	Prototypes of multilayer filled parallel plate waveguides and CTS antenna arrays to verify the simulations results. These designs will be fed by sect oral horns, and the multiplayer dielectric will include a layer of ferroelectric material sandwiched between two layers of low dielectric material such as Teflon or alumina if necessary. Designs will be made at x-band for the easy availability of the test and measurement equipment
•	Separate prototypes will be constructed to test and optimize the biasing of the Ferroelectric material.

 

 

 

 

REFERENCES:

M. F. Iskander, Z. Yun, Z. Zhang, R. Jensen, and S. Reed, “Design of a low-cost 2-D beem-steering antenna using Ferroelectric material and the CTS technology,” IEEE Transactions on Microwave Theory and Techniques, vol. 49, no. 5, pp. 1000-1003, May 2001.

M. F. Iskander, Z. Zhang., Z. Yun, R. S. Isom, M. G. Hawkins, R. Emrick, B. Bosco, J. Synowczynski, and B. Gersten, “New Phase Shifters and Phased Antenna Array Designs Based on Ferroelectric Materials and CTS Technologies,” IEEE Trans. Microwave Theory and Techniques, Vol. 49, No. 12, pp. 2547-2553, Dec. 2001.

Z. Zhang, M. F. Iskander, and Z. Yun, “Coaxial Continuous Transverse Stub element device antenna array,” U.S. Patent 6,201,509, 2001.